| 3D Printing |
3D Print a Drone Frame |
| 3D Printing |
Design and 3D-Print Your Own Robot! |
| 3D Printing |
Design Your Own 3D Printed Optical Illusion |
| 3D Printing |
Human Perception of the Anomalous Mirror Symmetry Illusion |
| Aerodynamics & Hydrodynamics |
A Change in the Winds: Studying Bernoulli's Principle |
| Aerodynamics & Hydrodynamics |
Aerodynamics and Bridge Design |
| Aerodynamics & Hydrodynamics |
Aerodynamics and Ice Hockey |
| Aerodynamics & Hydrodynamics |
Aerodynamics of Air Hockey |
| Aerodynamics & Hydrodynamics |
Archimedes Squeeze: At What Diameter Does an Aluminum Boat Sink? |
| Aerodynamics & Hydrodynamics |
Bottled-up Buoyancy |
| Aerodynamics & Hydrodynamics |
Build a Simple Drone and Test How Much It Can Lift |
| Aerodynamics & Hydrodynamics |
Build an RC Boat |
| Aerodynamics & Hydrodynamics |
Buoyancy of Floating Cylinders |
| Aerodynamics & Hydrodynamics |
Butterfly Wings: Using Nature to Learn About Flight |
| Aerodynamics & Hydrodynamics |
Capsized! How Sailboats Stay Upright |
| Aerodynamics & Hydrodynamics |
Do Submarines Need Fins? |
| Aerodynamics & Hydrodynamics |
Does Weight Affect a Drone's Battery Life? |
| Aerodynamics & Hydrodynamics |
Efficient Propeller Design |
| Aerodynamics & Hydrodynamics |
Helicopter Liftoff: How Does the Speed of the Rotor Affect the Amount of Lift? |
| Aerodynamics & Hydrodynamics |
How Does a Hovercraft Work? |
| Aerodynamics & Hydrodynamics |
How Far Will It Fly? Build & Test Paper Planes with Different Drag |
| Aerodynamics & Hydrodynamics |
How Low Can It Go? Design a Kite that Flies Best in Low Winds |
| Aerodynamics & Hydrodynamics |
How Much Weight Can Your Boat Float? |
| Aerodynamics & Hydrodynamics |
How to Control a DIY Mini Drone with an Arduino™ |
| Aerodynamics & Hydrodynamics |
Into the Wild Blue Yonder: The Science of Launching an Airplane by Catapult |
| Aerodynamics & Hydrodynamics |
Investigating Fluid Viscosity |
| Aerodynamics & Hydrodynamics |
Let's Go Fly a Kite! |
| Aerodynamics & Hydrodynamics |
Make a "Whirlybird" from Paper |
| Aerodynamics & Hydrodynamics |
Make Monkeys Fly in the Blink of an Eye |
| Aerodynamics & Hydrodynamics |
Make the Wind Work for You! |
| Aerodynamics & Hydrodynamics |
Making It Shipshape: Hull Design and Hydrodynamics |
| Aerodynamics & Hydrodynamics |
Milk Does Your Body and a Boat Good—Design Your Own Milk Carton Boat |
| Aerodynamics & Hydrodynamics |
Model Rocket Aerodynamics: Stability |
| Aerodynamics & Hydrodynamics |
Modifying a Car for Better Aerodynamics |
| Aerodynamics & Hydrodynamics |
Parachutes: Does Size Matter? |
| Aerodynamics & Hydrodynamics |
PID Controller Tuning for a Drone |
| Aerodynamics & Hydrodynamics |
Riding on Air—Build a Real Hovercraft |
| Aerodynamics & Hydrodynamics |
Rocket Science: How High Can You Send a Payload? |
| Aerodynamics & Hydrodynamics |
Rocking the Boat |
| Aerodynamics & Hydrodynamics |
Showing the Airflow in a Wind Tunnel |
| Aerodynamics & Hydrodynamics |
Study Bottle Rocket Performance with Electronic Sensors |
| Aerodynamics & Hydrodynamics |
Take a Candle Carousel for a Spin |
| Aerodynamics & Hydrodynamics |
The 'Ultimate' Science Fair Project: Frisbee Aerodynamics |
| Aerodynamics & Hydrodynamics |
The Paper Plate Hovercraft |
| Aerodynamics & Hydrodynamics |
The Swimming Secrets of Duck Feet |
| Aerodynamics & Hydrodynamics |
The True Cost of a Bike Rack: Aerodynamics and Fuel Economy |
| Aerodynamics & Hydrodynamics |
The Wright Stuff: Using Kites to Study Aerodynamics |
| Aerodynamics & Hydrodynamics |
Up, Up, and Away in Your Own Hot-air Balloon! |
| Aerodynamics & Hydrodynamics |
What A Drag! |
| Aerodynamics & Hydrodynamics |
What Makes a Good Aerodynamic Design? Test Your Ideas with High-Performance Paper Gliders |
| Aerodynamics & Hydrodynamics |
Which Wing Design Creates the Greatest Lift? |
| Aerodynamics & Hydrodynamics |
Why Do Flying Rings Go So Much Further Than Frisbees? |
| Aerodynamics & Hydrodynamics |
Why Winglets? |
| Aerodynamics & Hydrodynamics |
Wind Turbine Efficiency |
| Aerodynamics & Hydrodynamics |
Winglets in Wind Tunnels |
| Agricultural Technology |
A Sweet Sequence: The Cacao Genome |
| Agricultural Technology |
Build a Circuit to Automatically Water Your Plants |
| Agricultural Technology |
Can Biodegradable Hydrogels Help Conserve Water in Farming? |
| Agricultural Technology |
Dust Busters: How No-Plow Farmers Try to Save Our Soil |
| Agricultural Technology |
Fish + Food = Science of Aquaponics |
| Agricultural Technology |
Green Technology: Build an Electronic Soil Moisture Sensor to Conserve Water |
| Agricultural Technology |
Growing Great Gardens: Using Human Urine as a Fertilizer |
| Agricultural Technology |
Hydroponics: Gardening Without Soil |
| Agricultural Technology |
Is It Ripe Yet? Build a Circuit to Detect Ripe Produce |
| Agricultural Technology |
May the Best Plant Win! Experiment with Genetically Modified Seeds |
| Agricultural Technology |
Monitor Your Plants with a Soil Moisture Sensor |
| Agricultural Technology |
Smarter Farming with Aerial Photo Analysis |
| Agricultural Technology |
Sprouting Sweet Potatoes Slips |
| Agricultural Technology |
Weeds Be Gone! Experiment with Factors that Affect Roundup® Weed Killer |
| Artificial Intelligence |
AI Hyperrealism: Do AI Faces Look More Real Than Human Faces? |
| Artificial Intelligence |
Artificial Intelligence: Teaching the Computer to Play Tic-Tac-Toe |
| Artificial Intelligence |
Build Personal Playlists with Machine Learning |
| Artificial Intelligence |
Can AI Diagnose Breast Cancer? |
| Artificial Intelligence |
Can AI Predict Who Survived the Titanic's Sinking? |
| Artificial Intelligence |
Can Humans Recognize AI-Generated Images? |
| Artificial Intelligence |
Can Humans Recognize ChatGPT's AI-Generated Text? |
| Artificial Intelligence |
Can Machine Learning Solve a Maze? |
| Artificial Intelligence |
Can You Create a Strategic Connect 4 AI Opponent? |
| Artificial Intelligence |
Can You Create an Unbeatable Tic-Tac-Toe AI Player? |
| Artificial Intelligence |
Drive a Race Car with Machine Learning |
| Artificial Intelligence |
Explore Perceptrons: A Simple Type of Neural Network |
| Artificial Intelligence |
Happy or Sad? Use Artificial Intelligence to Classify Faces |
| Artificial Intelligence |
Identify Road Signs with Machine Learning |
| Artificial Intelligence |
Racial and Gender Bias in AI-Generated Images |
| Artificial Intelligence |
Think Like a Computer: Try Machine Learning |
| Astronomy |
A Matter of Time |
| Astronomy |
A Model of Gravity in Our Solar System |
| Astronomy |
A Puzzling Parallax |
| Astronomy |
Asteroid Mining: Gold Rush in Space? |
| Astronomy |
Build Your Own Dobsonian Telescope |
| Astronomy |
Calculating the Circumference of the Earth |
| Astronomy |
Catching Stardust |
| Astronomy |
Changing Constellations |
| Astronomy |
Colorizing Images from the James Webb Space Telescope |
| Astronomy |
Correlation of Coronal Mass Ejections with the Solar Sunspot Cycle |
| Astronomy |
Counting Sunspots on an Image of the Sun |
| Astronomy |
Craters and Meteorites |
| Astronomy |
Detecting Exoplanets Using Transit Photometry—Advanced |
| Astronomy |
Dirty Snowballs: How a Comet's Size Affects How Fast It Melts |
| Astronomy |
Finding the Center of the Milky Way Galaxy Using Globular Star Clusters |
| Astronomy |
How Far Away Is the Moon? |
| Astronomy |
How Much Mass Is Needed to Make a Body Round? |
| Astronomy |
How Old Is the Universe? |
| Astronomy |
How Soon After Sunset Does the Sky Become Dark? |
| Astronomy |
Lunar Crater Counting |
| Astronomy |
Measuring the Diameter of the Sun and the Moon |
| Astronomy |
Measuring the Moon's Brightness |
| Astronomy |
NASA Asteroid Database: What Can You Learn About Our Solar System? |
| Astronomy |
Planet Hunters TESS |
| Astronomy |
Satellite Science: How Does Speed Affect Orbiting Altitude? |
| Astronomy |
Similar Triangles: Using Parallax to Measure Distance |
| Astronomy |
Space Radiation Protection |
| Astronomy |
Star light, Star bright: How Does Light Intensity Change with Distance? |
| Astronomy |
Sunspot Cycles |
| Astronomy |
Test the Webb Space Telescope's Amazing Multiple Mirrors and Sunshield |
| Astronomy |
The Measure of Mercury: Analyzing Impact Craters on the Innermost Planet |
| Astronomy |
The Milky Way and Beyond: Globular Clusters |
| Astronomy |
The Moon and the Stars |
| Astronomy |
The Moon and Tides |
| Astronomy |
The Reasons for the Seasons |
| Astronomy |
Using a Digital Camera to Measure Skyglow |
| Astronomy |
Using Kepler Space Telescope Data to Identify an Exoplanet |
| Astronomy |
Using the Solar & Heliospheric Observatory Satellite (SOHO) to Determine the Rotation of the Sun |
| Astronomy |
Using the Solar & Heliospheric Observatory Satellite (SOHO) to Measure the Motion of a Coronal Mass Ejection |
| Astronomy |
What Makes the Rings of Saturn? |
| Astronomy |
Where Did All the Stars Go? |
| Astronomy |
Which Stars Can You Use for Navigation in Different Parts of the World? |
| Astronomy |
Why Does the Moon Appear Larger at Some Times? |
| Astronomy |
X-Ray Vision: Seeing Into Space |
| Big Data |
Asteroid Mining: Gold Rush in Space? |
| Big Data |
BLAST into the Past to Identify T. Rex's Closest Living Relative |
| Big Data |
BLASTing Flu Viruses |
| Big Data |
Catch the Wave! |
| Big Data |
Correlation of Coronal Mass Ejections with the Solar Sunspot Cycle |
| Big Data |
Do Warmer Seas Make Stronger Hurricanes? |
| Big Data |
Drugs & Genetics: Why Do Some People Respond to Drugs Differently than Others? |
| Big Data |
Finding the Center of the Milky Way Galaxy Using Globular Star Clusters |
| Big Data |
Harmful Algal Blooms in the Chesapeake Bay |
| Big Data |
Here Today, Gone Tomorrow: Saving Migratory Animals |
| Big Data |
Hitting the Target: The Importance of Making Sure a Drug's Aim Is True |
| Big Data |
How Do Baseball Stadium Dimensions Affect Batting Statistics? |
| Big Data |
How Old Is the Universe? |
| Big Data |
Locating the Epicenter of an Earthquake |
| Big Data |
Mapping Troposphere Ozone Levels Over Time |
| Big Data |
Neanderthals, Orangutans, Lemurs, & You—It's a Primate Family Reunion! |
| Big Data |
Picture This: How Visualizing Data Can Lead to the Right (or Wrong) Conclusion |
| Big Data |
Ring of Fire 1: What Volcanoes Tell Us About Plate Tectonics |
| Big Data |
Social Media: When and Where Do People Post? |
| Big Data |
Trace Your Ancient Ancestry Through DNA |
| Big Data |
Track the Journey of Harbor Porpoises |
| Big Data |
Tracking COVID-19's Genomic and Clinical Evolution |
| Big Data |
Understanding Wolf Behavior from GPS Tracking Data |
| Big Data |
Use DNA Sequencing to Trace the Blue Whale's Evolutionary Tree |
| Big Data |
Which Team Batting Statistic Predicts Run Production Best? |
| Biotechnology |
A Juicy Project: Extracting Apple Juice with Pectinase |
| Biotechnology |
A Magnetic Primer Designer |
| Biotechnology |
Catalytic RNA and Structure |
| Biotechnology |
Column Chromatography: Can you Separate the Dyes in Grape Soda Using Space Sand™? |
| Biotechnology |
CRISPR Gene Editing of Escherichia coli |
| Biotechnology |
DNA Fingerprinting |
| Biotechnology |
Do-It-Yourself DNA |
| Biotechnology |
Enzyme-Catalyzed Reactions— What Affects Their Rates? |
| Biotechnology |
Exploring DNA Damage: What Effect Do Ultraviolet Rays Have on Yeast Colony Growth? |
| Biotechnology |
Expression Cloning |
| Biotechnology |
Extracting Onion DNA |
| Biotechnology |
Forensic Science: Building Your Own Tool for Identifying DNA |
| Biotechnology |
Genetically Engineer Yeast to be Fluorescent |
| Biotechnology |
Genetically Modified Foods |
| Biotechnology |
Genetically Modified Organisms: Create Glowing Bacteria! |
| Biotechnology |
Liver Stinks! |
| Biotechnology |
Mag-nificent Breakfast Cereal |
| Biotechnology |
Making Milk Curdle with Pineapple Enzymes |
| Biotechnology |
Molecular Scissors |
| Biotechnology |
No Whey! Milk Protein Content Doesn't Change...Or Does It? |
| Biotechnology |
Protein Fingerprinting |
| Biotechnology |
Protein Structure and Function |
| Biotechnology |
Purification Strategies |
| Biotechnology |
Separating Butter with a Salad Spinner Centrifuge |
| Biotechnology |
Separating Glitter with a Homemade Centrifuge |
| Biotechnology |
Separating Mixtures: Can You Design a Device to Do It? |
| Biotechnology |
Solubility of Proteins |
| Biotechnology |
Transforming Bacteria to Make Colored Pigments |
| Biotechnology |
Turn Plants into Biofuel with the Power of Enzymes |
| Biotechnology |
What Makes a DNA Fingerprint Unique? |
|
|
| Chemistry |
A Soluble Separation Solution |
| Chemistry |
Adsorption: Dyeing Fabrics with Kool-Aid |
| Chemistry |
Are Enzymes in Laundry Detergents Effective Stain Removers? |
| Chemistry |
Balloon Morphing: How Gases Contract and Expand |
| Chemistry |
Bath Bomb Science |
| Chemistry |
Big Pieces or Small Pieces: Which React Faster? |
| Chemistry |
Boyle's Law: Pressure vs. Volume of a Gas at Constant Temperature |
| Chemistry |
Bring on the Heat! Investigating Exothermic Reaction Rates |
| Chemistry |
Bubble-ology |
| Chemistry |
Cabbage Chemistry |
| Chemistry |
Can You Change the Rate of a Chemical Reaction by Changing the Particle Size of the Reactants? |
| Chemistry |
Chemistry of Ice-Cream Making: Lowering the Freezing Point of Water |
| Chemistry |
Cold Pack Chemistry: Where Does the Heat Go? |
| Chemistry |
Colorful Chemistry Creations: Make Your Own Sun Print with Color and Sunlight! |
| Chemistry |
Cosmetic Science: Testing Lip Balm Recipes |
| Chemistry |
Crazy Crystal Creations: How to Grow the Best and the Largest Crystals |
| Chemistry |
Create and Test Your Own Hydrogel Face Mask Recipe! |
| Chemistry |
Crime Scene Chemistry: Determine the Identity of an Unknown Chemical Substance |
| Chemistry |
Crime Scene Chemistry—The Cool Blue Light of Luminol |
| Chemistry |
Design Your Own Slime |
| Chemistry |
Diaper Science: How Hydrogels Absorb Water |
| Chemistry |
Discover Chlorophyll Variety in Different Plants Using Paper Chromatography |
| Chemistry |
Do Oranges Lose or Gain Vitamin C After Being Picked? |
| Chemistry |
Dye Eggs Using Silk Ties for Egg-cellent Colors |
| Chemistry |
Electrolyte Challenge: Orange Juice Vs. Sports Drink |
| Chemistry |
Excess Volume: Investigate the "Shrinking Liquids" Effect |
| Chemistry |
Explore How Chromatography Can Unmix Mixtures |
| Chemistry |
Explore the Mixing Behavior of Liquids |
| Chemistry |
From Dull to Dazzling: Using Pennies to Test How pH Affects Copper Corrosion |
| Chemistry |
Get the Lead Out: Explore the Effects of pH on Lead Testing. |
| Chemistry |
Getting a Bang Out of Breath Spray: Studying the Chemistry and Physics of a Small Explosion |
| Chemistry |
How Blue is Your Sports Drink? |
| Chemistry |
How Bright Is Your Glow Stick? Measure It! |
| Chemistry |
How Do You Get Heat from a Supercooled Solution? Explore the Chemistry Within Hand Warmers |
| Chemistry |
How Fast Does an Alka-Seltzer® Tablet Make Gas? |
| Chemistry |
How to Make a Battery with Metal, Air, and Saltwater |
| Chemistry |
How to Make the Boldest, Brightest Tie-Dye! |
| Chemistry |
Investigate the Kinetics of the Color Changing Iodine Clock Reaction |
| Chemistry |
Just Keep Cool—How Evaporation Affects Heating and Cooling |
| Chemistry |
Keep Your Candy Cool With the Power of Evaporation! |
| Chemistry |
Make Your Own Markers |
| Chemistry |
Make Your Own pH Paper |
| Chemistry |
Make Your Own Shampoo and Test How It Performs! |
| Chemistry |
Measuring Enzyme Activity: Yeast Catalase |
| Chemistry |
Measuring Surface Tension of Water with a Penny |
| Chemistry |
Measuring the Amount of Acid in Vinegar by Titration with an Indicator Solution |
| Chemistry |
Minds of Their Own: A Chemical Reaction that Changes, then Changes Back! |
| Chemistry |
More Solubility Ideas |
| Chemistry |
Paper Chromatography: Is Black Ink Really Black? |
| Chemistry |
Plastic Deformation: Glass Transition of Some Plastics |
| Chemistry |
Plop, Plop, Fizz Fast: The Effect of Temperature on Reaction Time |
| Chemistry |
Polymer Permeability: Which Plastic Wrap Prevents Evaporation Best? |
| Chemistry |
Presto! From Black to Clear with the Magic of Photochemistry |
| Chemistry |
Proving Charles' Law: Volume vs. Temperature of a Gas at Constant Pressure |
| Chemistry |
Put Some Energy Into It! Use a Calorimeter to Measure the Heat Capacity of Water |
| Chemistry |
Race Your Marbles to Discover a Liquid's Viscosity |
| Chemistry |
Remove Silver Tarnish with a Homemade Battery |
| Chemistry |
Rocketology: Baking Soda + Vinegar = Lift Off! |
| Chemistry |
Rusting Out: How Acids Affect the Rate of Corrosion |
| Chemistry |
Salt Bridge Over Electrified Waters: How Electricity Changes pH |
| Chemistry |
Salt Oscillator |
| Chemistry |
Saturated Solutions: Measuring Solubility |
| Chemistry |
Scintillating Scents: The Science of Making Perfume |
| Chemistry |
See the Light by Making a Cell Phone Spectrophotometer |
| Chemistry |
Shaking for Suds: Which Type of Water is the Hardest? |
| Chemistry |
Skunk Attack! Test Different Remedies to Remove Skunk Odor |
| Chemistry |
Slime Chemistry |
| Chemistry |
Solar-powered Chemistry: Study Chemical Reaction Rates in Ultraviolet Beads |
| Chemistry |
Study Chirality with a Homemade Polarimeter |
| Chemistry |
The Chemistry of Clean: Make Your Own Soap to Study Soap Synthesis |
| Chemistry |
The Chemistry of Hair Highlights |
| Chemistry |
Turn Milk into Plastic! |
| Chemistry |
Water to Fuel to Water: The Fuel Cycle of the Future |
| Chemistry |
What Makes Ice Melt Fastest? |
| Chemistry |
What's the Best Container for Elephant Toothpaste? |
| Chemistry |
What's the Point of Boiling? |
| Chemistry |
Which Filtration Material Leads to the Best Drinking Water? |
| Chemistry |
Which Orange Juice Has the Most Vitamin C? |
| Civil Engineering |
Avoiding Disaster: The Right Bridge Design |
| Civil Engineering |
Bridges That Can Take a Shake! |
| Civil Engineering |
Building Structures: It's a Slippery Slope |
| Civil Engineering |
Building the Tallest Tower |
| Civil Engineering |
Can a Toilet Paper Tube Support Your Weight? |
| Civil Engineering |
Dome Sweet Dome |
| Civil Engineering |
Follow the Flow |
| Civil Engineering |
Holding Power of Nails |
| Civil Engineering |
How Does the Ratio of Sand to Cement Affect the Strength of Concrete? |
| Civil Engineering |
How Much Weight Can Your Sandcastle Hold? |
| Civil Engineering |
How to Build on Mars! |
| Civil Engineering |
Keeping You in Suspens(ion) |
| Civil Engineering |
Newspaper Tower |
| Civil Engineering |
Paper Ball Run Challenge |
| Civil Engineering |
Paper Bridge for Pennies |
| Civil Engineering |
Set Your Table for a Sweet and Sticky Earthquake Shake |
| Civil Engineering |
Shapes with Straws |
| Civil Engineering |
Solid Ground? Measuring Soil Bearing Capacity |
| Civil Engineering |
Solving a 'Windy' Problem |
| Civil Engineering |
Squirrel Obstacle Course: How Far Can Squirrels Jump? |
| Civil Engineering |
Strength of Different Construction Materials |
| Civil Engineering |
Strength of Glues |
| Civil Engineering |
Tallest Paper Tower Challenge |
| Civil Engineering |
Testing the Strength of Martian Bricks |
| Civil Engineering |
The Design Process: Creating a Stronger Truss |
| Civil Engineering |
The Effect of Bridge Design on Weight Bearing Capacity |
| Computer Science |
ABC's of Programming: Writing a Simple 'Alphabetizer' with JavaScript |
| Computer Science |
Bits, Bytes, and Bases: Write a JavaScript Binary/Decimal/Hexadecimal Converter |
| Computer Science |
Build an Adaptive Game Controller for a Raspberry Pi |
| Computer Science |
Build an Automatic Dog (or Cat) Treat Dispenser |
| Computer Science |
Build an Electronic Piano with a Raspberry Pi |
| Computer Science |
Building Personal Medicine Apps to Help Patients |
| Computer Science |
Can You Crowdsource a Better School Environment? |
| Computer Science |
CD Burning: Take it to the Edge |
| Computer Science |
Computer Sleuth: Identification by Text Analysis |
| Computer Science |
Construct a Carnival Buzzer Game with a Raspberry Pi |
| Computer Science |
Crack the Code: Breaking a Caesar Cipher |
| Computer Science |
Create Light Up Artwork with a Raspberry Pi |
| Computer Science |
Design Your Own Video Game with a Raspberry Pi |
| Computer Science |
Digital Voice Analysis |
| Computer Science |
Draw a Spirograph with a Raspberry Pi |
| Computer Science |
Drive a Race Car with Machine Learning |
| Computer Science |
Encryption |
| Computer Science |
Explore Interplanetary Spacecraft Maneuvers with FreeFlyer® |
| Computer Science |
Explore Satellites with Powerful Simulation Software |
| Computer Science |
Feel Free to Sleep at School... If You're a Computer! |
| Computer Science |
Follow the Bouncing Ball: A Web Animation Project |
| Computer Science |
Font and File Size |
| Computer Science |
Forms and Functions: Writing a Simple Calculator Program with JavaScript |
| Computer Science |
Game of Life |
| Computer Science |
Go Wild! Try a Wildcard |
| Computer Science |
Happy or Sad? Use Artificial Intelligence to Classify Faces |
| Computer Science |
Help! What File Format Should I Use to Save My Favorite Photo? |
| Computer Science |
How Fast is Your Computer? |
| Computer Science |
How Many Letters? |
| Computer Science |
How Secure Are Your Security Questions? |
| Computer Science |
Identify Road Signs with Machine Learning |
| Computer Science |
Image Compression vs. Image Quality: Finding the Best Tradeoff |
| Computer Science |
Invent an Interactive Toy with a Raspberry Pi |
| Computer Science |
Is a Deleted File Really Gone? |
| Computer Science |
Keeping It Private: Blocking RFID Readers from Reading your ID Card |
| Computer Science |
Killing 'Vampires': Saving Money and Power by Turning Off Computer Peripherals |
| Computer Science |
Make a Greeting Card Come to Life! |
| Computer Science |
Make a Motion Sensor Alarm with a Raspberry Pi |
| Computer Science |
Manipulating Sound Files |
| Computer Science |
Paragraph Stats: Writing a JavaScript Program to 'Measure' Text |
| Computer Science |
Password Security: How Easily Can Your Password Be Hacked? |
| Computer Science |
Pinwheel Magic: Take a Spin with Animation |
| Computer Science |
Play an Electronic Drumset with a Raspberry Pi |
| Computer Science |
Printing Power! Save the Environment, One Printer Page at a Time |
| Computer Science |
Program to Check a Sudoku Solution |
| Computer Science |
Programming NANORGs in a Virtual World |
| Computer Science |
Quick Draw McPaws: Teach A Computer Kitty How to Draw Shapes |
| Computer Science |
Radioactive Dating: Take Your Programming Skills Nuclear |
| Computer Science |
Ready, Set, Search! Race to the Right Answer |
| Computer Science |
Save a Life! Teach Hands-Only™ CPR |
| Computer Science |
Sound Frequency Analysis. |
| Computer Science |
Sounds Like RFID: Using a Radio Frequency Identification (RFID) Reader to Make Musical Instruments |
| Computer Science |
Storytelling Alice: Once Upon a Time in a Computer-generated Land... |
| Computer Science |
The Point of a Parabola: Focusing Signals for a Better Wireless Network |
| Computer Science |
Use an Arduino™ to Control a Color-Changing Infinity Mirror |
| Computer Science |
What Materials Can Block a Wi-Fi Signal? |
| Cooking & Food Science |
'Make Mine Medium-Rare': Heat Conduction in Steak |
| Cooking & Food Science |
Battle of the Senses: Taste Versus Smell |
| Cooking & Food Science |
Burning Calories: How Much Energy is Stored in Different Types of Food? |
| Cooking & Food Science |
Can Baking Soda Substitute for Baking Powder in a Recipe? |
| Cooking & Food Science |
Candy Chromatography: What Makes Those Colors? |
| Cooking & Food Science |
Chemistry of Baking Ingredients 1: How Much Baking Powder Do Quick Breads Need? |
| Cooking & Food Science |
Chemistry of Ice-Cream Making: Lowering the Freezing Point of Water |
| Cooking & Food Science |
Choice Cheesecakes: Which Baking Method is the Best? |
| Cooking & Food Science |
Cookies: Can You Blame the Burnt Ones On the Cookie Sheet? |
| Cooking & Food Science |
Determining Iodide Content of Salt |
| Cooking & Food Science |
Do Oranges Lose or Gain Vitamin C After Being Picked? |
| Cooking & Food Science |
Does Color Affect Taste? |
| Cooking & Food Science |
Dried Foods: The Science Behind Making Lightweight Snacks |
| Cooking & Food Science |
Egg Substitutes |
| Cooking & Food Science |
Egg-cellently Cooked Eggs: The Process of Soft-Boiling an Egg |
| Cooking & Food Science |
Flavor That Food! Exploring the Science of Marinades |
| Cooking & Food Science |
Fresh Whipped Cream That Lasts |
| Cooking & Food Science |
From Bitter to Sweet: How Sugar Content Changes in Ripening Fruit |
| Cooking & Food Science |
From Sauce to Solid: The Science of Cranberry Condiments |
| Cooking & Food Science |
Get Saucy with the Thickening Power of Starches |
| Cooking & Food Science |
Great Globs of Gluten! Which Wheat Flour Has The Most? |
| Cooking & Food Science |
Have Your Chips Lost Their Chomp? Understanding How Food Becomes Rancid |
| Cooking & Food Science |
Hey, Do You C My Potatoes? Determining Vitamin C Amounts in Cooked Potatoes |
| Cooking & Food Science |
Hey, There's Corn in My Candy! |
| Cooking & Food Science |
Hot Ice Cream |
| Cooking & Food Science |
Hot Pot: Choosing the Right Pot in Which to Cook Your Meals |
| Cooking & Food Science |
How Can Tofu Pack Such a Flavorful Punch? |
| Cooking & Food Science |
How Do You Make the 'Best' Cookie? |
| Cooking & Food Science |
How Do You Take Your Tea? Make a Simple Electronic Device to Measure the Strength of Tea |
| Cooking & Food Science |
How Far Can You Stretcha the Mozzarella: The Science of Making Cheese! |
| Cooking & Food Science |
How Greasy Are Your Potato Chips? |
| Cooking & Food Science |
How Much Fat is in Your Food? |
| Cooking & Food Science |
How Sweet It Is! Measuring Glucose in Your Food |
| Cooking & Food Science |
How Sweet It Is—How Much Sugar Is Really in That Soda? |
| Cooking & Food Science |
Investigate the Vitamin C Level in Bell Peppers During Various Stages of Ripeness |
| Cooking & Food Science |
Is That Really Bacteria Living in My Yogurt? |
| Cooking & Food Science |
Is the Soup Ready? Measure How Much Water is Absorbed by Dried Beans |
| Cooking & Food Science |
Kimchi Chemistry |
| Cooking & Food Science |
Lactose, Sucrose, and Glucose: How Many Sugars are in Your Smoothie? |
| Cooking & Food Science |
Mag-nificent Breakfast Cereal |
| Cooking & Food Science |
Make Popping Boba Balls Out of Your Drinks |
| Cooking & Food Science |
Make Yogurt Spheres Using Molecular Gastronomy |
| Cooking & Food Science |
Making and Testing Edible Rice Paper |
| Cooking & Food Science |
Making Jell-o Stronger |
| Cooking & Food Science |
Making Maple Syrup Candy: How Does Temperature Affect It? |
| Cooking & Food Science |
Making Milk Curdle with Pineapple Enzymes |
| Cooking & Food Science |
Mean & Green: Fruit & Vegetable Hardening |
| Cooking & Food Science |
Mixing Your Own Marshmallows: Finding the Right Ratio of Sugar to Corn Syrup |
| Cooking & Food Science |
Oil and Vinegar Do Mix…When You Have an Emulsifier |
| Cooking & Food Science |
Perfect Plating: Which Food Presentation Technique is Best? |
| Cooking & Food Science |
Perfecting Pastries: The Role of Fats in Making a Delicious Pastry |
| Cooking & Food Science |
Processed Cheese, Please! Get Your Grilled Cheese Oooey Gooey Instead of Oily and Gloppy |
| Cooking & Food Science |
Save Those Spoiling Strawberries! |
| Cooking & Food Science |
Shaking for Butter |
| Cooking & Food Science |
Shimmy, Shimmy Soda Pop: Develop Your Own Soda Pop Recipe |
| Cooking & Food Science |
Smashing for Mash: The Science of Making Memorable Mashed Potatoes! |
| Cooking & Food Science |
Stand Up! Investigate the Effect of Different Bowls on Whipped Egg Whites |
| Cooking & Food Science |
Steamy Standing Time: How Food Size Impacts Carryover Cooking |
| Cooking & Food Science |
Stop Slumping: What Makes Foams Stand Up Straight |
| Cooking & Food Science |
Sweet as Sugar: Comparing the Sweetness of Sugar & Sugar Substitutes |
| Cooking & Food Science |
Tasty Arrangements: How to Position Food in Microwave Cooking |
| Cooking & Food Science |
Temper, Temper, Temper! The Science of Tempering Chocolate |
| Cooking & Food Science |
The Art & Science of Making Yummy Yogurt |
| Cooking & Food Science |
The Curdling Properties of Different Milks: How to Avoid Little Miss Muffet's Curds |
| Cooking & Food Science |
The Effect of Roasting on Color, Flavor, and Texture of Peanut Butter |
| Cooking & Food Science |
The Fluffiest Muffins: Flour Type and Muffin Density |
| Cooking & Food Science |
The Freezer: It Keeps Your Carrots Awake at Night! |
| Cooking & Food Science |
The Pasta Puzzle: How Much Water is Required to Cook Pasta? |
| Cooking & Food Science |
The Sweet Beginnings of Caramelization |
| Cooking & Food Science |
Top Crops: Finding Hidden Grasses and Beans in Processed Foods |
| Cooking & Food Science |
Tough Beans: Which Cooking Liquids Slow Softening the Most? |
| Cooking & Food Science |
What Do Different Baking Ingredients Do? |
| Cooking & Food Science |
What's the Best Way to Guarantee Fresh Bread? |
| Cooking & Food Science |
When Science is Sweet: Growing Rock Candy Crystals |
| Cooking & Food Science |
Which Fruits Can Ruin Your Gelatin Dessert? |
| Cooking & Food Science |
Which Orange Juice Has the Most Vitamin C? |
| Cooking & Food Science |
Why Does Fruit Turn Brown? |
| Cooking & Food Science |
You Say Po-tay-to and I Say Po-tah-to, but No Matter What, There's Starch in Those Taters! |
| Cooking & Food Science |
You Want Fries With That? The Science of Crispy Potatoes |
| Cooking & Food Science |
Yuck, What Happened to My Apple? How Food Wrappings Affect Spoilage |
| Cosmetic Chemistry |
Bath Bomb Science |
| Cosmetic Chemistry |
Cosmetic Science: Testing Lip Balm Recipes |
| Cosmetic Chemistry |
Create and Test Your Own Hydrogel Face Mask Recipe! |
| Cosmetic Chemistry |
Does Chemical Lightening Affect the Structure of Human Hair? |
| Cosmetic Chemistry |
Make Your Own Shampoo and Test How It Performs! |
| Cosmetic Chemistry |
Scintillating Scents: The Science of Making Perfume |
| Cosmetic Chemistry |
Testing the Hydrating Power of Hydrogel Face Masks |
| Cosmetic Chemistry |
The Chemistry of Clean: Make Your Own Soap to Study Soap Synthesis |
| Cosmetic Chemistry |
The Chemistry of Hair Highlights |
| Cosmetic Chemistry |
The Skinny on Moisturizers: Which Works Best to Keep Skin Moist? |
| Cybersecurity |
Crack the Code: Breaking a Caesar Cipher |
| Cybersecurity |
Do People Use Different Passwords for Different Accounts? |
| Cybersecurity |
Hacking the Air Gap: Stealing Data from a Computer that isn't Connected to the Internet |
| Cybersecurity |
How Secure Are Your Security Questions? |
| Cybersecurity |
Is a Deleted File Really Gone? |
| Cybersecurity |
Keeping It Private: Blocking RFID Readers from Reading your ID Card |
| Cybersecurity |
Password Security: How Easily Can Your Password Be Hacked? |
| Cybersecurity |
Preventing SQL Injection Attacks |
| Diabetes |
Blood Sugar Balancing Act: How Exercise Tips the Scales |
| Diabetes |
Building Personal Medicine Apps to Help Patients |
| Diabetes |
Dealing with Diabetes: The Road to Developing an Artificial Pancreas |
| Diabetes |
Electrolyte Challenge: Orange Juice Vs. Sports Drink |
| Diabetes |
How Sweet It Is! Measuring Glucose in Your Food |
| Diabetes |
Lactose, Sucrose, and Glucose: How Many Sugars are in Your Smoothie? |
| Diabetes |
Sucrose & Glucose & Fructose, Oh My! Uncovering Hidden Sugar in Your Food |
| Diabetes |
Sweet as Sugar: Comparing the Sweetness of Sugar & Sugar Substitutes |
| Diabetes |
What are the Odds? Modeling the Chances of Getting an Autoimmune Disease |
| Diabetes |
Why Aren't All Medicines Pills? |
| Electricity & Electronics |
Abracadabra! Levitating with Eddy Currents! |
| Electricity & Electronics |
Avoid the Shock of Shocks! Build Your Own Super-sensitive Electric Field Detector |
| Electricity & Electronics |
Blowing Up LEDs - For Science! |
| Electricity & Electronics |
Build a Light-Up Activity Timer |
| Electricity & Electronics |
Build a Magnetic Pet Door |
| Electricity & Electronics |
Build a Model Mass Driver for Launching Objects into Space |
| Electricity & Electronics |
Build a Reed Switch Motor |
| Electricity & Electronics |
Build a Simple Electric Motor! |
| Electricity & Electronics |
Build a Voice-Controlled Lamp |
| Electricity & Electronics |
Build an Arduino Strobe Light for the Stroboscopic Effect |
| Electricity & Electronics |
Build an Automatic Dog (or Cat) Treat Dispenser |
| Electricity & Electronics |
Build Your Own Crystal Radio |
| Electricity & Electronics |
Build Your Own Radon Detector |
| Electricity & Electronics |
Color Mixing with Red, Green, & Blue LEDs |
| Electricity & Electronics |
Create Light Up Artwork with a Raspberry Pi |
| Electricity & Electronics |
Dance Mania: Build Your Own Dance Pad! |
| Electricity & Electronics |
Dealing with Diabetes: The Road to Developing an Artificial Pancreas |
| Electricity & Electronics |
Design a Wearable Air Quality Index Monitor |
| Electricity & Electronics |
Design Clothing with Built-In Sensors |
| Electricity & Electronics |
Design Your Own Smart LED Lighting System |
| Electricity & Electronics |
Does Your Mobile Phone Radiate? Measuring Cell Phone Electromagnetic Radiation |
| Electricity & Electronics |
Effect of Different Materials on a Magnetic Field |
| Electricity & Electronics |
Efficient LED Circuit Design |
| Electricity & Electronics |
Electric Paint: Light Up Your Painting |
| Electricity & Electronics |
Electric Play Dough Project 1: Make Your Play Dough Light Up & Buzz! |
| Electricity & Electronics |
Electric Play Dough Project 2: Rig Your Creations With Lots of Lights! |
| Electricity & Electronics |
Electric Play Dough Project 3: Light Up Your Sculptures! |
| Electricity & Electronics |
Engineer an LED Night-Light |
| Electricity & Electronics |
Explore Optical Illusions: Build an Infinity Mirror |
| Electricity & Electronics |
Green Technology: Build an Electronic Soil Moisture Sensor to Conserve Water |
| Electricity & Electronics |
How Do You Take Your Tea? Make a Simple Electronic Device to Measure the Strength of Tea |
| Electricity & Electronics |
How Does LED Brightness Vary with Current? |
| Electricity & Electronics |
How Does the Intensity of Light Change with Distance? |
| Electricity & Electronics |
How Far Can Sparks Jump? |
| Electricity & Electronics |
How Long Does It Take to Fry a Diode? |
| Electricity & Electronics |
How to Make a Dimmer Switch with a Pencil |
| Electricity & Electronics |
How Well Do Different Materials Create Static Electricity? |
| Electricity & Electronics |
Human-Powered Energy |
| Electricity & Electronics |
Invent an Interactive Toy with a Raspberry Pi |
| Electricity & Electronics |
Is It Ripe Yet? Build a Circuit to Detect Ripe Produce |
| Electricity & Electronics |
LED Dance Glove: Get the Party Started with Your Own Interactive Light Show |
| Electricity & Electronics |
LED Traffic Glove: Build a Safety Device to Direct Traffic |
| Electricity & Electronics |
Linear vs. Logarithmic Changes: What Works Best for Human Senses? |
| Electricity & Electronics |
Make a Glitter Surprise Package |
| Electricity & Electronics |
Make a Heart Rate Monitor |
| Electricity & Electronics |
Make a Pomodoro Study Clock |
| Electricity & Electronics |
Make an Automatic Pill Dispenser |
| Electricity & Electronics |
Make Your Own Low-Power AM Radio Transmitter |
| Electricity & Electronics |
Mapping Magnetic Fields |
| Electricity & Electronics |
Measuring Magnetic Fields |
| Electricity & Electronics |
Monitor Your Plants with a Soil Moisture Sensor |
| Electricity & Electronics |
Paper Circuits: Make Electrifying Art |
| Electricity & Electronics |
Pencil Resistors |
| Electricity & Electronics |
Power Move: Manipulating Magnets to Improve Generator Output |
| Electricity & Electronics |
Recording on a Wire |
| Electricity & Electronics |
Remove Silver Tarnish with a Homemade Battery |
| Electricity & Electronics |
Rock On! Recording Digital Data with Magnets |
| Electricity & Electronics |
Rubbing Up Against Static Electricity |
| Electricity & Electronics |
Seebeck Effect: Turn Heat into Electricity, Then Measure It with a Thermocouple Thermometer |
| Electricity & Electronics |
Shed Light on Electric Generators: Do More Coils Generate More Electricity? |
| Electricity & Electronics |
Simple Circuit Logic with Switches: An Electric Puzzle |
| Electricity & Electronics |
Smart Medicine Cabinet: Build a Sensor That Reminds Patients When to Take Medication |
| Electricity & Electronics |
Spice Up the Power of a Microbial Fuel Cell with a Dash of Salt |
| Electricity & Electronics |
Testing a Parabolic Reflector with Light from an LED |
| Electricity & Electronics |
The Speed of Light: Explore Solar Energy with a Supercapacitor Car Motor! |
| Electricity & Electronics |
The Strength of an Electromagnet |
| Electricity & Electronics |
Two-Point and Four-Point Methods for Measuring Small Resistances |
| Electricity & Electronics |
Upstairs, Downstairs: Turning on a Light from Two Places |
| Electricity & Electronics |
Use Sewable Circuits to Make Cool Costumes and Accessories |
| Electricity & Electronics |
Use Super-strong Magnets to Make a Simple Motor |
| Electricity & Electronics |
Using a Magnet as an Electrical Current Detector |
| Electricity & Electronics |
Water Drops and Sparks! Experimenting with a Kelvin Electrostatic Generator |
| Electricity & Electronics |
Where There Is Charge, There Can Be Sparks! |
| Electricity & Electronics |
Which Materials are the Best Conductors? |
| Electricity & Electronics |
Wire Wilt: How Light-Emitting Diodes Fade As Temperature Increases |
| Energy & Power |
A Battery That Makes Cents |
| Energy & Power |
A Bright Idea for Saving Energy |
| Energy & Power |
A Cool Way to Make Electricity: Solar Cell Power Output vs. Temperature |
| Energy & Power |
Are LEDs the Future? Energy Savings with LED Lighting |
| Energy & Power |
Are You in Hot Water? Use the Sun's Energy to Heat Your Own Water |
| Energy & Power |
Batteries: The Shocking Truth |
| Energy & Power |
Biodiesels: Converting Oil into Clean Fuel |
| Energy & Power |
Build a Solar-Powered Car |
| Energy & Power |
Burning Biofuels: Comparing Nonrenewable and Renewable Fuels |
| Energy & Power |
Catch the Wave! |
| Energy & Power |
Decomposing Energy: Extracting Heat Energy from a Compost Pile |
| Energy & Power |
Free Lunch? Can Solar Energy Systems Pay for Themselves with Utility Bill Savings? |
| Energy & Power |
From Trash to Gas: Biomass Energy |
| Energy & Power |
Fuel Cells—Fueling the Future! |
| Energy & Power |
Get Something for Nothing: Free Power from the Sun! |
| Energy & Power |
Go Green by Growing Green: How to Extract Energy from Grass |
| Energy & Power |
Green Your PC: Help Your Computer Save Power |
| Energy & Power |
How Does Solar Cell Output Vary with Incident Light Intensity? |
| Energy & Power |
How Many Cranks Does It Take to Power a Hand-Cranked Radio? |
| Energy & Power |
How to Turn a Potato Into a Battery |
| Energy & Power |
Human-Powered Energy |
| Energy & Power |
Leaky Clues to Dam Design: How Reservoir Height Affects Hydroelectric Power Production |
| Energy & Power |
Now You're Cooking! Building a Simple Solar Oven |
| Energy & Power |
Put Your Water to Work: Using Hydropower to Lift a Load |
| Energy & Power |
Renewable Energy Resources |
| Energy & Power |
Solar Speedway |
| Energy & Power |
Spare a Watt, Save a Lot |
| Energy & Power |
Spice Up the Power of a Microbial Fuel Cell with a Dash of Salt |
| Energy & Power |
Spinning Your Wheels: Pinwheel Sensitivity |
| Energy & Power |
The Power of Balance |
| Energy & Power |
The Power of Heat Is Right Under Your Feet with Geothermal Energy |
| Energy & Power |
Tireless Tides: Extracting Energy from Ocean Tides |
| Energy & Power |
Turn Mud into Energy With a Microbial Fuel Cell |
| Energy & Power |
Unleash the Power of a Pinwheel! |
| Energy & Power |
Want to Warm Up or Cool Down? Go Underground! |
| Energy & Power |
Waste Not, Want Not: Use a Microbial Fuel Cell to Create Electricity from Waste |
| Energy & Power |
Water to Fuel to Water: The Fuel Cycle of the Future |
| Energy & Power |
What Electric Bills Can Tell You About Energy Use |
| Energy & Power |
Wily Waves: Build an Oscillating Water Column to Extract Energy from Ocean Waves |
| Energy & Power |
You've Got Permission to Be a Backseat Driver! |
| Environmental Engineering |
Alternative Sources for Paper Fiber |
| Environmental Engineering |
Can Mulch Reduce Garden Water Requirements? |
| Environmental Engineering |
Can Nanotechnology Help Clean Up Ocean Oil Spills? Try It Yourself with Ferrofluid |
| Environmental Engineering |
Can Plants Stop Soil Erosion? |
| Environmental Engineering |
Can the Color of Your House Reduce Your Energy Footprint? |
| Environmental Engineering |
Clean Up The Water with a Trash-Skimming Robot |
| Environmental Engineering |
Cold Room? Heat It Up with A Homemade Solar Air Heater |
| Environmental Engineering |
Do Plants Promote Pesticide Breakdown? |
| Environmental Engineering |
Do Your Storm Drains Keep the Ocean Trash Free? |
| Environmental Engineering |
Energy Is Blowing in the Wind |
| Environmental Engineering |
Fighting Litter in Your Neighborhood |
| Environmental Engineering |
Fish + Food = Science of Aquaponics |
| Environmental Engineering |
From Brine to Beverage: Solar-Powered Salt Removal |
| Environmental Engineering |
From Contaminated to Clean: How Filtering Can Clean Water |
| Environmental Engineering |
From Turbid to Clear: How Flocculation Cleans Up Drinking Water |
| Environmental Engineering |
From Your John to the School Lawn: Is Recycled Water Really Safe? |
| Environmental Engineering |
Goo-Be-Gone: Cleaning Up Oil Spills |
| Environmental Engineering |
Green Technology: Build an Electronic Soil Moisture Sensor to Conserve Water |
| Environmental Engineering |
How Can Your Faucet Save Water? |
| Environmental Engineering |
Landslides: What Causes Rocks to Slide Down a Slope? |
| Environmental Engineering |
Remodeling and Energy Efficiency |
| Environmental Engineering |
Riprap: It's Not Hip Hop But Erosion Stop |
| Environmental Engineering |
Rooftop Gardens: Are They a Cool Idea? |
| Environmental Engineering |
Smart Watering: Adjusting Your Sprinklers for Optimal Soil Moisture |
| Environmental Engineering |
Solar-Powered Water Desalination |
| Environmental Engineering |
Sustainable Construction: Building with Mushroom Roots |
| Environmental Engineering |
Water from Air: Experimenting with Dew Traps |
| Environmental Engineering |
Water-Wise: Building a Rainwater Collection System |
| Environmental Engineering |
Wild Winds: Detecting Turbulence Around Structures |
| Environmental Science |
A Matter of Degrees: How Does the Tilt of Earth's Axis Affect the Seasons? |
| Environmental Science |
Acid Rain and Aquatic Life |
| Environmental Science |
Air Particles and Air Quality |
| Environmental Science |
Air Pollution |
| Environmental Science |
Are There Bugs Under Your Feet? |
| Environmental Science |
Are There Dangerous Levels of Lead in Local Soil? |
| Environmental Science |
Biodiversity Survey |
| Environmental Science |
Bug Vacuums: Sucking up Biodiversity |
| Environmental Science |
Can Biodegradable Hydrogels Help Conserve Water in Farming? |
| Environmental Science |
Can Plants Stop Soil Erosion? |
| Environmental Science |
Crystal Ball Math: Predicting Population Growth with Models |
| Environmental Science |
Deforestation |
| Environmental Science |
Disappearing Act: How Fast Do Different Biodegradable & Compostable Materials Decompose? |
| Environmental Science |
Dust Busters: How No-Plow Farmers Try to Save Our Soil |
| Environmental Science |
Ecological Footprint Analysis |
| Environmental Science |
Feeding Earthworms: Do Different Diets Affect Them and the Soil They Enrich? |
| Environmental Science |
Fight Flooding and Pollution with...a Garden?! |
| Environmental Science |
Fish Markets and Sustainability |
| Environmental Science |
Froggy Forecasting: How Frog Health Predicts Pond Health |
| Environmental Science |
Get Down and Dirty: How Does Soil Change with Depth? |
| Environmental Science |
Get Rid of Those Leftovers: How Much Organic Waste Can Composting Worms Eat? |
| Environmental Science |
Getting Carried Away: Measuring Soil Erosion |
| Environmental Science |
Going Green as You Clean: Are 'Green' Detergents Less Toxic Than Conventional Detergents? |
| Environmental Science |
Harvesting Fresh Water With a Fog Catcher |
| Environmental Science |
Heavy Metals and Aquatic Environments |
| Environmental Science |
Here Today, Gone Tomorrow: Saving Migratory Animals |
| Environmental Science |
Home Sweet Biome: How Do Plants Grow in Different Environments? |
| Environmental Science |
Household Water Usage |
| Environmental Science |
How Does Soil Affect the pH of Water? |
| Environmental Science |
How Eco-Friendly is Your Sunscreen? |
| Environmental Science |
How long does trash last? |
| Environmental Science |
I'm Trying to Breathe Here! Dissolved Oxygen vs. Temperature |
| Environmental Science |
Invasive Species |
| Environmental Science |
Is it Getting Hot in Here? Investigate the Greenhouse Effect |
| Environmental Science |
Is Your Neighborhood an Urban Heat Island? |
| Environmental Science |
It's Raining, It's Pouring: Chemical Analysis of Rainwater |
| Environmental Science |
Landfills |
| Environmental Science |
Landscapes and Water Usage |
| Environmental Science |
Looking Downstream: Could Nanosilver in Consumer Products Affect Pond Life? |
| Environmental Science |
Making Species Maps |
| Environmental Science |
Mapping Troposphere Ozone Levels Over Time |
| Environmental Science |
Native Landscapes |
| Environmental Science |
Oil Spills |
| Environmental Science |
Ozone Depletion |
| Environmental Science |
Powered by Pee: Using Urine in a Microbial Fuel Cell |
| Environmental Science |
Recycling Greywater: Can Plants Tolerate It? |
| Environmental Science |
Runoff and Fertilizer Use |
| Environmental Science |
Sandy Beaches and Reef Disturbance |
| Environmental Science |
Silt Deposits in Streams |
| Environmental Science |
Smarter Farming with Aerial Photo Analysis |
| Environmental Science |
Something's Fishy About That Fertilizer |
| Environmental Science |
Too Much of a Good Thing? Study the Effect of Fertilizers on Algal Growth |
| Environmental Science |
Uh-oh! What Do We Do With Our E-waste? |
| Environmental Science |
Using Daphnia to Monitor Water Toxicity |
| Environmental Science |
Water Quality |
| Environmental Science |
When the Sun Rises: The Effect of Light on the Movement of Daphnia |
| Environmental Science |
Wood vs. Alternative and Recycled Materials |
| Exoplanets |
Detecting Exoplanets Using Transit Photometry—Advanced |
| Exoplanets |
Planet Hunters TESS |
| Exoplanets |
Using Kepler Space Telescope Data to Identify an Exoplanet |
| Genetic Engineering |
A Sweet Sequence: The Cacao Genome |
| Genetic Engineering |
CRISPR Gene Editing of Escherichia coli |
| Genetic Engineering |
Do-It-Yourself DNA |
| Genetic Engineering |
Expression Cloning |
| Genetic Engineering |
Extracting Onion DNA |
| Genetic Engineering |
From Genes to Genetic Diseases: What Kinds of Mutations Matter? |
| Genetic Engineering |
Genetically Engineer Yeast to be Fluorescent |
| Genetic Engineering |
Genetically Modified Foods |
| Genetic Engineering |
Genetically Modified Organisms: Create Glowing Bacteria! |
| Genetic Engineering |
Molecular Scissors |
| Genetic Engineering |
Taking Short Cuts: How Direct Reprogramming Can Transform One Type of Cell Straight into Another |
| Genetic Engineering |
Transforming Bacteria to Make Colored Pigments |
| Genetic Engineering |
Using Synthetic DNA as a Secret Barcode |
| Genetics & Genomics |
A Sweet Sequence: The Cacao Genome |
| Genetics & Genomics |
A Toxic Test: Can Plants Be Genetically Resistant to Heavy Metals? |
| Genetics & Genomics |
Are Fingerprint Patterns Inherited? |
| Genetics & Genomics |
Bioinformatics - The Perfect Marriage of Computer Science & Medicine |
| Genetics & Genomics |
BLAST into the Past to Identify T. Rex's Closest Living Relative |
| Genetics & Genomics |
BLASTing Flu Viruses |
| Genetics & Genomics |
Computational Exploration of Protein Function |
| Genetics & Genomics |
Drugs & Genetics: Why Do Some People Respond to Drugs Differently than Others? |
| Genetics & Genomics |
From Genes to Genetic Diseases: What Kinds of Mutations Matter? |
| Genetics & Genomics |
Hitting the Target: The Importance of Making Sure a Drug's Aim Is True |
| Genetics & Genomics |
How Much DNA Can You Pack into a Cell? |
| Genetics & Genomics |
Investigate Native Plant Evolution with Chloroplast Sequencing |
| Genetics & Genomics |
Learning Your A, G, C's (and T, too) |
| Genetics & Genomics |
May the Best Plant Win! Experiment with Genetically Modified Seeds |
| Genetics & Genomics |
Neanderthals, Orangutans, Lemurs, & You—It's a Primate Family Reunion! |
| Genetics & Genomics |
Pedigree Analysis: A Family Tree of Traits |
| Genetics & Genomics |
The Tree of Life — I (basic) |
| Genetics & Genomics |
The Tree of Life – II (advanced) |
| Genetics & Genomics |
Trace Your Ancient Ancestry Through DNA |
| Genetics & Genomics |
Tracking COVID-19's Genomic and Clinical Evolution |
| Genetics & Genomics |
Use DNA Sequencing to Trace the Blue Whale's Evolutionary Tree |
| Genetics & Genomics |
What is the Woolly Mammoth's Closest Living Relative? |
| Genetics & Genomics |
Which Animals Have Genome Projects? |
| Genetics & Genomics |
Who Has the Biggest Genome? |
| Geology |
A Ground-Breaking Revelation: Testing Longitudinal Waves in Different Soil Types |
| Geology |
Astrogeology |
| Geology |
Beach Bum Science: Compression of Wet Sand |
| Geology |
Can Plants Stop Soil Erosion? |
| Geology |
Coastal and Marine Geology |
| Geology |
Compost Creativity: Try Various Methods and Test Soil Fertility |
| Geology |
Earth Surface Dynamics |
| Geology |
Earthquakes |
| Geology |
Factors that Affect the Transfer of Force through Saturated Soil |
| Geology |
Fantastic Fossilization! Discover the Conditions For Creating the Best Cast Fossils |
| Geology |
Geology and Energy Resources |
| Geology |
Geomagnetism |
| Geology |
Get Some Practice at 'Fossil' Reconstruction with Owl Pellets |
| Geology |
Go with the Flow: Model Rivers with Cornmeal, Sand, & Water |
| Geology |
Growing a Soil Menagerie |
| Geology |
How Does Soil Affect the pH of Water? |
| Geology |
How Fast Do Seismic Waves Travel? |
| Geology |
How Old Is That Rock? Roll the Dice & Use Radiometric Dating to Find Out |
| Geology |
Is There a Whole Lot of Shaking Going On? Make Your Own Seismograph and Find Out! |
| Geology |
Jumping For Geodes: Can You Tell the Inside from the Outside? |
| Geology |
Landslides |
| Geology |
Lichenometry: An Accessible Method for Dating Recent History (Geological and Manmade) |
| Geology |
Locating an Earthquake Using a Global Seismic Network |
| Geology |
Locating the Epicenter of an Earthquake |
| Geology |
Measuring the Diameter of the Earth's Core with Seismic Waves Around the Globe |
| Geology |
Minerals |
| Geology |
Model Water Flow in Rivers |
| Geology |
Now You See It, Now You Don't! How Acidic Waters Make Rocks Disappear |
| Geology |
Pop Goes the Geyser! |
| Geology |
Porosity |
| Geology |
Porosity and Particle Size |
| Geology |
Ring of Fire 1: What Volcanoes Tell Us About Plate Tectonics |
| Geology |
Ring of Fire 2: What Earthquakes Tell Us About Plate Tectonics |
| Geology |
Rocky Secrets: Where Does Oil Hide? |
| Geology |
Soil and Earthquakes |
| Geology |
Soil Color and Moisture |
| Geology |
Soil Compaction |
| Geology |
Soil Structure |
| Geology |
Sorting Out Sedimentation |
| Geology |
Speleology: Counting Formations in a Local Cave |
| Geology |
Under Pressure: Sand Under Lateral Compression |
| Geology |
Underground Water Flow and Darcy's Law |
| Geology |
Volcanoes |
| Green Chemistry |
Can Biodegradable Materials Replace Plastic as Protective Food Packaging? |
| Green Chemistry |
From Trash to Gas: Biomass Energy |
| Green Chemistry |
Go Green by Growing Green: How to Extract Energy from Grass |
| Green Chemistry |
Grow Vegan Kombucha Leather |
| Green Chemistry |
How Eco-Friendly is Your Sunscreen? |
| Green Chemistry |
Investigate the Kinetics of the Color Changing Iodine Clock Reaction |
| Green Chemistry |
Make Sustainable Fabrics from Seaweed |
| Green Chemistry |
Testing Sunscreen Effectiveness and Water Solubility |
| Green Chemistry |
The Cold Wash Challenge: Testing How Well Enzymes Work in Laundry Detergents |
| Green Chemistry |
Turn Milk into Plastic! |
| Green Chemistry |
Turn Plants into Biofuel with the Power of Enzymes |
| Human Behavior |
'They're Not Sticking!' A Study of Gender Responses to Frustration |
| Human Behavior |
AI Hyperrealism: Do AI Faces Look More Real Than Human Faces? |
| Human Behavior |
Apparent Motion & Animation |
| Human Behavior |
Are Childproof Containers Really Childproof? |
| Human Behavior |
Calling It Quits: What Is the Most Effective Way to Quit Smoking? |
| Human Behavior |
Can Humans Recognize AI-Generated Images? |
| Human Behavior |
Can Humans Recognize ChatGPT's AI-Generated Text? |
| Human Behavior |
Candy Confusion: Can Small Children Mistake Medicine for Candy? |
| Human Behavior |
Do People Prefer Virtual Reality Headsets over 2D Pictures? |
| Human Behavior |
Do People Use Different Passwords for Different Accounts? |
| Human Behavior |
Do Preferences Bias Our Choices? |
| Human Behavior |
Do the Eyes Have It? |
| Human Behavior |
Do You Hear What You See? |
| Human Behavior |
Does a Cell Phone Conversation Affect Reaction Time? |
| Human Behavior |
Don't Stand So Close To Me! An Investigation into Personal Space |
| Human Behavior |
Enjoy It Now... Or Enjoy It Later? Understanding Delayed Gratification |
| Human Behavior |
Fear Factor: Using Pulse Rate to Measure Emotion |
| Human Behavior |
Get the Scoop on Stroop |
| Human Behavior |
Hands-on Shopping: More Likely to Buy if You Can Give It a Try? |
| Human Behavior |
Honesty: How Prevalent Is It? |
| Human Behavior |
How Does Robot Behavior Affect Human-Robot Interaction? |
| Human Behavior |
How Many Numbers Can You Remember? |
| Human Behavior |
Human Perception of the Anomalous Mirror Symmetry Illusion |
| Human Behavior |
Human-Robot Interaction: Do Looks Matter? |
| Human Behavior |
Interpreting Area Data from Maps vs. Graphs: An Experiment in Visual Perception |
| Human Behavior |
Is Smiling Contagious? |
| Human Behavior |
It's Written All Over Your Face: The Science of Facial Expressions |
| Human Behavior |
Memory Mnemonics |
| Human Behavior |
Mixing Light to Make Colors |
| Human Behavior |
Motion After-Effects in Vision |
| Human Behavior |
Multitasking: Brain Drain or Boost in Efficiency? |
| Human Behavior |
Now You See It, Now You Don't: A Chromatic Adaptation Project |
| Human Behavior |
Now You See It, Now You Don't: Investigating Inattentional Blindness |
| Human Behavior |
Piaget's Theory of Conservation: When One Cup of Water is Less Than One Cup of Water |
| Human Behavior |
Picture This: How Visualizing Data Can Lead to the Right (or Wrong) Conclusion |
| Human Behavior |
Practice |
| Human Behavior |
Pretty Packaging: Can Attractive Packaging Lead to Healthier Eating? |
| Human Behavior |
Racial and Gender Bias in AI-Generated Images |
| Human Behavior |
Racing Drones: Does Practice Make You Faster? |
| Human Behavior |
Shaping Your Thoughts? |
| Human Behavior |
Testing for Bias in a Photo Lineup |
| Human Behavior |
Testing the Accuracy of Eyewitness Testimony |
| Human Behavior |
That's a Pretty Tough Baby! A Study of Gender Stereotypes in Children |
| Human Behavior |
That's a Real Smile! ...or is it? |
| Human Behavior |
The Bouba-Kiki Effect |
| Human Behavior |
The Brains Behind 'Where's Waldo?' |
| Human Behavior |
Warped Words and the Stroop Effect |
| Human Behavior |
What Conflicting Mental Tasks Reveal About Thinking: The Stroop Effect |
| Human Behavior |
What's in a Face? Are Composite Faces More Attractive than Real Faces? |
| Human Behavior |
What's the Best Method to Communicate Data Graphically?: An Experiment in Visual Perception |
| Human Biology & Health |
A Day in the Life of Your Heart |
| Human Biology & Health |
Are You Left or Right Sided? |
| Human Biology & Health |
Are Your Eyes Playing Tricks on You? Discover the Science Behind Afterimages! |
| Human Biology & Health |
Blood Clotting to the Rescue: How to Stop Too Much Blood from Flowing |
| Human Biology & Health |
Blood Sugar Balancing Act: How Exercise Tips the Scales |
| Human Biology & Health |
Breath of Life: Does Exercise Increase Vital Capacity? |
| Human Biology & Health |
Build a Helping Hand |
| Human Biology & Health |
Building Personal Medicine Apps to Help Patients |
| Human Biology & Health |
Can Herd Immunity Combat Viral Epidemics like COVID-19? |
| Human Biology & Health |
Can You Train People to Breathe Better? |
| Human Biology & Health |
Can Your Body Temperature Tell the Time of Day? Find Out with Human Circadian Cycles. |
| Human Biology & Health |
Construct a Carnival Buzzer Game with a Raspberry Pi |
| Human Biology & Health |
Dealing with Diabetes: The Road to Developing an Artificial Pancreas |
| Human Biology & Health |
Deep Knee Bends: Measuring Knee Stress with a Mechanical Model |
| Human Biology & Health |
Design a Game to Help Alzheimer's Patients |
| Human Biology & Health |
Developing Images with X-rays |
| Human Biology & Health |
Do Antibiotics Change Your Gut Microbiome? |
| Human Biology & Health |
Do You Have the Willpower to Taste Something Sour? |
| Human Biology & Health |
Do You Love the Taste of Food? Find Out if You Are a Supertaster! |
| Human Biology & Health |
Does Color Affect Taste? |
| Human Biology & Health |
Don't Get Burned! Measure the UV Index at Different Times of the Day |
| Human Biology & Health |
Effects of Exercise: Changes in Carbon Dioxide Output |
| Human Biology & Health |
Fast Food: Can Peppermint Improve Reaction Times? |
| Human Biology & Health |
Fighting the Flu: How Your Immune System Uses Its Memory |
| Human Biology & Health |
Heart Rate Recovery Times |
| Human Biology & Health |
How Can Vaccines Be Used to Fight Outbreaks? |
| Human Biology & Health |
How Fast Is Your Reaction Time? |
| Human Biology & Health |
I See a Full Moon Rising...and Shrinking...or Do I? |
| Human Biology & Health |
Iron-Rich Foods: How to Get the Most Out of Them |
| Human Biology & Health |
Lung Capacity and Age |
| Human Biology & Health |
Make a Heart Rate Monitor |
| Human Biology & Health |
Make an Automatic Pill Dispenser |
| Human Biology & Health |
Make Your Own Stethoscope |
| Human Biology & Health |
Measuring Concussion Risk in Football and Other Contact Sports |
| Human Biology & Health |
Measuring Your Taste Threshold |
| Human Biology & Health |
Measuring Your Threshold of Hearing for Sounds of Different Pitches |
| Human Biology & Health |
Minding your Mummies: The Science of Mummification |
| Human Biology & Health |
Model How Environment and Genetics Change the Chances of Getting Cancer |
| Human Biology & Health |
Model How R naught (R₀) Shapes an Epidemic |
| Human Biology & Health |
Modeling the Human Cardiovascular System: The Factors That Affect Blood Flow Rate |
| Human Biology & Health |
Now You See It, Now You Don't! Test Your Peripheral Vision |
| Human Biology & Health |
Old Salty: Does Age Affect the Ability to Detect Salt? |
| Human Biology & Health |
Pinocchio's Arm: A Lie Detector Test |
| Human Biology & Health |
Save a Life! Teach Hands-Only™ CPR |
| Human Biology & Health |
Seasonal Disease Outbreaks |
| Human Biology & Health |
Smelly Science: A Sniff Test |
| Human Biology & Health |
Sound Localization |
| Human Biology & Health |
Sucrose & Glucose & Fructose, Oh My! Uncovering Hidden Sugar in Your Food |
| Human Biology & Health |
The Nose Knows Smell but How About Taste? |
| Human Biology & Health |
Think Fast: Do Video Game Players Have Faster Reaction Times Than Non-Players? |
| Human Biology & Health |
Tracking COVID-19's Genomic and Clinical Evolution |
| Human Biology & Health |
Twirls, Whirls, Spins, & Turns: The Science & Reflexes of Dizziness |
| Human Biology & Health |
Under Pressure: Does a Child's Blood Pressure Depend on His or Her Age? |
| Human Biology & Health |
When Your Sniffer Snoozes, You've Got Olfactory Fatigue |
| Human Biology & Health |
Why Aren't All Medicines Pills? |
| Human Biology & Health |
You Are What You Eat! |
| Mammalian Biology |
Bat Detector: Listen to the Secret Sounds of Bats |
| Mammalian Biology |
Dog Scents: The Super Nose of Man's Best Friend |
| Mammalian Biology |
Dog Smarts: What's Going On Behind Those Puppy-Dog Eyes? |
| Mammalian Biology |
Dog Toys: What Makes One a Favorite or a Flop to Fido? |
| Mammalian Biology |
Eeew, Dog Breath! Does Active Play Take Your Dog's Breath Away? |
| Mammalian Biology |
How Food Supplements Affect Weight Gain of Juvenile Mice |
| Mammalian Biology |
Huddle & Cuddle: How Puppies Keep Warm |
| Mammalian Biology |
Is That Cat Fat? |
| Mammalian Biology |
Paw Preference in Pets |
| Mammalian Biology |
Pet Poll: A Taste Test for Fluffy & Fido |
| Mammalian Biology |
Predators and Prey: How Do Cats Respond to Bird Sound Recordings? |
| Mammalian Biology |
Puppy Proportions: Comparing Growth Spurts and Weight Gain in Your Dog's Early Months |
| Mammalian Biology |
Squirrel Obstacle Course: How Far Can Squirrels Jump? |
| Mammalian Biology |
Tail Wagging and Brain Lateralization |
| Mammalian Biology |
Tick Tock, Tick Tock, Does Your Mouse Know the Time on the Clock? |
| Mammalian Biology |
Tricks for Treats: How Long Does It Take to Train Your Pet? |
| Mammalian Biology |
Watch Out! That Wild Animal Might Be Rabid! |
| Mammalian Biology |
X-inactivation Marks the Spot for Cat Coat Color |
| Materials Science |
Are Laminates Stronger? |
| Materials Science |
Bacterial Resistant Materials and the Best Disinfectant |
| Materials Science |
Biodegradable Plastics |
| Materials Science |
Can Biodegradable Materials Replace Plastic as Protective Food Packaging? |
| Materials Science |
Candy Snap |
| Materials Science |
Coke® & Mentos® - Exploring Explosive Chemistry! |
| Materials Science |
Does Chemical Lightening Affect the Structure of Human Hair? |
| Materials Science |
Experiment with Making Gels |
| Materials Science |
Exploring Nanotechnology: Fold, Roll, & Stack Your Way to Super-Strong Materials |
| Materials Science |
Fallen Arches: The Surprising Strength of Eggshells |
| Materials Science |
Fishing Line Strength |
| Materials Science |
Get Crafty — Create Your Own Durable Paper Doll |
| Materials Science |
He Huffed, and He Puffed, But Didn't Blow the House Down! How Can Straw Make a Sturdy Building? |
| Materials Science |
How Does Packaging Affect the Ripening of Fruit? |
| Materials Science |
How Things Break |
| Materials Science |
It's Hard Work to Work Harden! Learn How to Make Metals Stronger |
| Materials Science |
Magnetic Levitation: Experiments with 'Anti-magnets' |
| Materials Science |
Make Sustainable Fabrics from Seaweed |
| Materials Science |
Making Mixtures: How Do Colloids Size Up? |
| Materials Science |
Materials for Sound Barriers |
| Materials Science |
Need Help Getting Out of a Sticky Situation? |
| Materials Science |
Polymer Permeability: Which Plastic Wrap Prevents Oxidation Best? |
| Materials Science |
Pounding Papyrus: How Ancient Egyptians Made the World's First Paper |
| Materials Science |
Sand Structure: Measuring Density and Porosity of Sand |
| Materials Science |
Strength in Numbers? |
| Materials Science |
Stressed Out? Take a Break with this Project! |
| Materials Science |
Talk About a Bad Hair Day! |
| Materials Science |
Testing Sunscreen Effectiveness and Water Solubility |
| Materials Science |
The Leaning Tower of Pasta |
| Materials Science |
The Viscosity of Motor Oil |
| Materials Science |
Turning Mushrooms into Environmentally Friendly Packaging |
| Materials Science |
Wave Blockers |
| Materials Science |
Which Is the Better Insulation Material? |
| Materials Science |
Which Kind of Wood Burns Slower? |
| Materials Science |
Which Materials Can Catch a Bubble? |
| Materials Science |
Which Metal Is the Most Resistant to Corrosion? |
| Materials Science |
Wood Adhesive Durability |
| Mechanical Engineering |
Applying Hooke's Law: Make Your Own Spring Scale |
| Mechanical Engineering |
Ball Launcher Challenge |
| Mechanical Engineering |
Bombs Away! A Ping Pong Catapult |
| Mechanical Engineering |
Build a Water Clock to Show the Drip, Drip, Drip of Time |
| Mechanical Engineering |
Build an 'Impossible' Wind-Powered Car |
| Mechanical Engineering |
Build Your Own Helio Tracker—a Self-powered Mechanical Sunflower that Turns with the Sun |
| Mechanical Engineering |
Building a Model Hydraulic Knuckle Crane |
| Mechanical Engineering |
Choosing the Best Gear Ratio for Maximum Bike Speed |
| Mechanical Engineering |
Crash! Can Cell Phones Survive a Drop Test? |
| Mechanical Engineering |
Cricket Wicket Knockdown Challenge |
| Mechanical Engineering |
Domino Theory |
| Mechanical Engineering |
Effect of Friction on Objects in Motion |
| Mechanical Engineering |
Effect of Temperature on Elasticity of Rubber Bands |
| Mechanical Engineering |
Effect of Trebuchet Arm Length or Counterweight Mass on Projectile Distance |
| Mechanical Engineering |
Engineer a Cell Phone Stand |
| Mechanical Engineering |
Feeding Fido & Fluffy: Designing an Automatic Pet Feeder |
| Mechanical Engineering |
Fractography: The Way Things Break |
| Mechanical Engineering |
Gears-Go-Round! |
| Mechanical Engineering |
Give Yourself a Lift: Lightening the Load with Pulleys |
| Mechanical Engineering |
How Do Under-Inflated Tires Affect the Difficulty of Riding a Bike? |
| Mechanical Engineering |
How Does Spark Plug Gap Affect Engine Performance? |
| Mechanical Engineering |
Jack It Up! Lift a Load Using Hydraulics |
| Mechanical Engineering |
Knock Your Blocks Off: The Mechanics of Carnival Games |
| Mechanical Engineering |
Less Cowbell! The Unconstrained Truth About Constrained-Layer Damping |
| Mechanical Engineering |
Make the Fastest Rubber Band Paddle Boat |
| Mechanical Engineering |
Marble Machine |
| Mechanical Engineering |
Measuring Vibrational Frequency with Light |
| Mechanical Engineering |
Mix It Up: Transferring Heat by Convection in a Tank |
| Mechanical Engineering |
Moving Water with the Archimedes Screw Pump |
| Mechanical Engineering |
Ping Pong Pickup Challenge |
| Mechanical Engineering |
Rubber Band Elasticity and Temperature |
| Mechanical Engineering |
Rubber Bands for Energy |
| Mechanical Engineering |
Skiing and Friction |
| Mechanical Engineering |
Slinking Slinkies |
| Mechanical Engineering |
Slippery Slopes and Sticking Surfaces: Explore the Forces of Friction |
| Mechanical Engineering |
The Chills and Thrills of Roller-Coaster Hills |
| Mechanical Engineering |
The Turn of the Screw |
| Mechanical Engineering |
There's a Machine in My Toy Box! |
| Mechanical Engineering |
Time is Money |
| Mechanical Engineering |
Understand Shock Levels and Packaging Principles |
| Mechanical Engineering |
Veggie Snap! Modifying Bending Stresses in a Flexible Rod |
| Mechanical Engineering |
Volleyball Machine Challenge |
| Mechanical Engineering |
What's the Best Way to Disable a Drone? |
| Mechanical Engineering |
Which Simple Machines Do I Use the Most? |
| Mechanical Engineering |
You Nailed It! Hammering Force for Different Types of Wood |
| Medical Biotechnology |
A Prescription for Success: Drugs & Your Genetics |
| Medical Biotechnology |
Antibiotic Resistance |
| Medical Biotechnology |
Antioxidants |
| Medical Biotechnology |
BLASTing Flu Viruses |
| Medical Biotechnology |
Calcium Carbonate to the Rescue! How Antacids Relieve Heartburn |
| Medical Biotechnology |
Creating a Kidney: How Stem Cells Might Be Used to Bioengineer a Vital Organ |
| Medical Biotechnology |
Crime Scene Chemistry: The Kastle-Meyer Test for Blood |
| Medical Biotechnology |
Delayed Release Pill Challenge: Getting Medicine to the Right Place at the Right Time |
| Medical Biotechnology |
Drug Solubility |
| Medical Biotechnology |
Drugs & Genetics: Why Do Some People Respond to Drugs Differently than Others? |
| Medical Biotechnology |
Fighting the Flu: How Your Immune System Uses Its Memory |
| Medical Biotechnology |
Foldit: Playing a Game While Solving Protein Structures |
| Medical Biotechnology |
From Genes to Genetic Diseases: What Kinds of Mutations Matter? |
| Medical Biotechnology |
Hitting the Target: The Importance of Making Sure a Drug's Aim Is True |
| Medical Biotechnology |
How Are Antibodies Used for Blood Typing? |
| Medical Biotechnology |
I Love Ice Cream, But It Doesn't Love Me: Understanding Lactose Intolerance |
| Medical Biotechnology |
Ow, My Tummy Hurts! The Biology and Chemistry of Gas Relief |
| Medical Biotechnology |
Taking Short Cuts: How Direct Reprogramming Can Transform One Type of Cell Straight into Another |
| Medical Biotechnology |
The Skinny on Moisturizers: Which Works Best to Keep Skin Moist? |
| Medical Biotechnology |
What are the Odds? Modeling the Chances of Getting an Autoimmune Disease |
| Medical Biotechnology |
Which Acne Medication Can Really Zap That Zit? |
| Medical Biotechnology |
Yeast Busters: Stopping Fungus in its Tracks with Antifungal Medicines |
| Microbiology |
An Aerobic Exercise: Yeast Metabolism with and without Aeration |
| Microbiology |
Antibiotic Resistance |
| Microbiology |
Biowarfare: Experiment with Viruses that Destroy Bacteria |
| Microbiology |
Can Aloe Juice Save Your Berries from Mold? |
| Microbiology |
Can Garlic Prevent Crown Gall? |
| Microbiology |
Cinnamon Gum and Mouth Microbes |
| Microbiology |
Death Rays: What Duration of Ultraviolet Exposure Kills Bacteria? |
| Microbiology |
Disinfectants |
| Microbiology |
Do Antibiotics Change Your Gut Microbiome? |
| Microbiology |
Do Different Dilutions of Disinfectants Affect the Development of Bacterial Resistance? |
| Microbiology |
Germ Invasion |
| Microbiology |
Grow Vegan Kombucha Leather |
| Microbiology |
How Do Bacteria Produce Power in a Microbial Fuel Cell? |
| Microbiology |
How Do Food Preservatives Affect the Growth of Microorganisms? |
| Microbiology |
How Well Do Disinfectants Work? |
| Microbiology |
Is the Gold in My Jewelry Real? |
| Microbiology |
Learn How to Disinfect Contaminated Water |
| Microbiology |
Minimizing Bacteria in the Thawing and Cooking of Meat |
| Microbiology |
Natural Antimicrobial Agents |
| Microbiology |
Rise to the Occasion: Investigating Requirements for Yeast Fermentation |
| Microbiology |
Slimey Likes It! Studying Chemotaxis in Physarum Polycephalum |
| Microbiology |
Spread the Soap, Not the Germs |
| Microbiology |
The Cannon Fungus: Grow a Fungus That Fires Objects at Light Sources! |
| Microbiology |
The End Zone: Measuring Antimicrobial Effectiveness with Zones of Inhibition |
| Microbiology |
Tiny Titans: Can Silver Nanoparticles Neutralize E. coli Bacteria? |
| Microbiology |
Which Acne Medication Can Really Zap That Zit? |
| Microbiology |
Yeast Reproduction in Sugar Substitutes |
| Microbiology |
Yeasty Beasties |
| Microbiology |
Yogurt Cultures |
| Microbiology |
Zapping Yeast with X-rays |
| Music |
Background Bop: Do Different Businesses Play Different Tempos in Background Music? |
| Music |
Beats |
| Music |
Blowing Bottle Tops: Making Music with Bottles |
| Music |
Build an Electronic Piano with a Raspberry Pi |
| Music |
Build Your Own Xylophone Out of Copper Pipe |
| Music |
Building Banjos |
| Music |
Can You Make a Happy Song Sad? |
| Music |
Cha-cha-cha by Latitude |
| Music |
Classical Music and Cognitive Tasks |
| Music |
Comparing Vocal Ranges: How High and Low Can Your Voice Go? |
| Music |
Correlation Between Relative Pitch and Age, Gender, or Musical Background |
| Music |
Ding, Dong, Ding, Dong: Morning Bells Are Ringing |
| Music |
Do String Players Have Longer Left Fingers? |
| Music |
Do-Re-Mi with Straws |
| Music |
Does How You Hold Your Guitar Affect the Sound? |
| Music |
Does Virtual Practice Make Perfect? |
| Music |
Don't You Fret! Standing Waves on a Guitar |
| Music |
Guitar Fundamentals: Wavelength, Frequency, & Speed |
| Music |
Guitar Jingle: Discovering the Locations of Harmonics |
| Music |
Helmholtz Resonance and Musical Instruments |
| Music |
How to Make a Guitar Sing |
| Music |
How to Make a Piano Sing |
| Music |
How Tweet It Is: Bird Songs in Classical Music |
| Music |
Is It a Country Ballad? Listen to the Beat! |
| Music |
Make Your Own Electric Guitar Pickup |
| Music |
Make Your Own Piezoelectric Pickup for Acoustic Guitar |
| Music |
Movie Music |
| Music |
MP3 Squeeze: How Much Compression is Too Much? |
| Music |
Music for Martians: Build and Play a Theremin Instrument |
| Music |
Pick This Project! |
| Music |
Pitch Perception |
| Music |
Pluck Out & Pick New String Materials for Your Guitar |
| Music |
Singing Wine Glasses |
| Music |
Sound Bites: Tasting the Texture of Classical Music |
| Music |
Take a Musical Step Back in Time: Make Your Own Phonograph from Everyday Items |
| Music |
What Material Makes the Most Resonant Soundboard? |
| Ocean Sciences |
Building Beaches |
| Ocean Sciences |
Can Water Float on Water? |
| Ocean Sciences |
Do Hurricanes Cool the Ocean? |
| Ocean Sciences |
Do Warmer Seas Make Stronger Hurricanes? |
| Ocean Sciences |
Harmful Algal Blooms in the Chesapeake Bay |
| Ocean Sciences |
How Salty Does the Sea Have to Be for an Egg to Float? |
| Ocean Sciences |
How Salty is the Sea? |
| Ocean Sciences |
Hurricanes and Climate |
| Ocean Sciences |
Ocean Bioluminescence: Investigate When and How Dinoflagellates Glow |
| Ocean Sciences |
Ocean Currents: Modeling the 'Global Conveyor Belt' in Your Kitchen |
| Ocean Sciences |
Polar Puzzle: Will Ice Melting at the North or South Poles Cause Sea Levels to Rise? |
| Ocean Sciences |
Primary Productivity and Plankton |
| Ocean Sciences |
SeaPerch: An Underwater Robot |
| Ocean Sciences |
Swimming in Acid: Understanding Ocean Acidification |
| Ocean Sciences |
Taming the Tsunami: Investigating Different Structures to Reduce Tsunami Damage |
| Ocean Sciences |
The Science Behind Tsunamis: Study the Effect of Water Depth on Wave Velocity |
| Ocean Sciences |
Timing the Tides |
| Ocean Sciences |
Track the Journey of Harbor Porpoises |
| Pandemics – COVID-19 |
BLASTing Flu Viruses |
| Pandemics – COVID-19 |
Can Herd Immunity Combat Viral Epidemics like COVID-19? |
| Pandemics – COVID-19 |
Fighting the Flu: How Your Immune System Uses Its Memory |
| Pandemics – COVID-19 |
Foldit: Playing a Game While Solving Protein Structures |
| Pandemics – COVID-19 |
Germ Invasion |
| Pandemics – COVID-19 |
Hitting the Target: The Importance of Making Sure a Drug's Aim Is True |
| Pandemics – COVID-19 |
How Can Vaccines Be Used to Fight Outbreaks? |
| Pandemics – COVID-19 |
How Well Do Disinfectants Work? |
| Pandemics – COVID-19 |
Model How R naught (R₀) Shapes an Epidemic |
| Pandemics – COVID-19 |
Seasonal Disease Outbreaks |
| Pandemics – COVID-19 |
Spread the Soap, Not the Germs |
| Pandemics – COVID-19 |
Tracking COVID-19's Genomic and Clinical Evolution |
| Pandemics – COVID-19 |
Watch Out! That Wild Animal Might Be Rabid! |
| Photography, Digital Photography & Video |
Bit Depth, Colors and Digital Photos |
| Photography, Digital Photography & Video |
Camera 'Shakes' |
| Photography, Digital Photography & Video |
Camera Lens Testing |
| Photography, Digital Photography & Video |
Color Profiles |
| Photography, Digital Photography & Video |
Color Saturation |
| Photography, Digital Photography & Video |
Color Theory |
| Photography, Digital Photography & Video |
Digital Image Processing |
| Photography, Digital Photography & Video |
Digital Photo Contrast |
| Photography, Digital Photography & Video |
Digital Photo Resolution |
| Photography, Digital Photography & Video |
Digital Photos and Dynamic Range |
| Photography, Digital Photography & Video |
Digital Pinhole Camera |
| Photography, Digital Photography & Video |
Focusing Your Flash for 'Freezing' Motion |
| Photography, Digital Photography & Video |
Image Compression |
| Photography, Digital Photography & Video |
Macro for Micro? |
| Photography, Digital Photography & Video |
Measuring Height Or Distances with a Camera |
| Photography, Digital Photography & Video |
Measuring Speed with a Video Camera |
| Photography, Digital Photography & Video |
Measuring the Speed of Moving Objects with Stroboscopic Photography |
| Photography, Digital Photography & Video |
Picture This: Building a Cell Phone Microscope |
| Photography, Digital Photography & Video |
Pinholes, Light and Aperture Size |
| Photography, Digital Photography & Video |
Point, Click, Shoot! Photography with a Pinhole Camera |
| Photography, Digital Photography & Video |
Red Eye |
| Photography, Digital Photography & Video |
Seeing Beyond the Visible: Photography with Near Infrared Illumination |
| Photography, Digital Photography & Video |
Smarter Farming with Aerial Photo Analysis |
| Photography, Digital Photography & Video |
The Golden Rules of Photography |
| Photography, Digital Photography & Video |
The Wagon Wheel Effect |
|
|
| Physics |
A Model of Gravity in Our Solar System |
| Physics |
Absorption of Radiant Energy by Different Colors |
| Physics |
An Uplifting Project—The Buoyancy of Balloons |
| Physics |
Balancing the Load: The See-Saw as a Simple Machine |
| Physics |
Ball Launcher Challenge |
| Physics |
Balloon-Powered Car Challenge |
| Physics |
Balls Bouncing Off of Surfaces |
| Physics |
Be Seen After Dark—What Clothes Keep You Safe? |
| Physics |
Bottle Rocket Blast Off! |
| Physics |
Build a Floating Maglev Train |
| Physics |
Build a Gauss Rifle! |
| Physics |
Build a Levitating Water Fountain with the Stroboscopic Effect |
| Physics |
Build a Raft Powered by Surface Tension |
| Physics |
Build an 'Impossible' Wind-Powered Car |
| Physics |
Can You Hear Sounds in Outer Space? |
| Physics |
Centripetal Force |
| Physics |
Circus-Trick Science: How to Balance Anything |
| Physics |
Come One, Come All! Explore the Effect of Light on the Speed of the Amazing Rotating Radiometer! |
| Physics |
Cricket Wicket Knockdown Challenge |
| Physics |
Designing a Speaker for Bass or Treble |
| Physics |
Distance and Constant Acceleration |
| Physics |
Distance and Speed of Rolling Objects Measured from Video Recordings |
| Physics |
Explore Interplanetary Spacecraft Maneuvers with FreeFlyer® |
| Physics |
Explore Satellites with Powerful Simulation Software |
| Physics |
Extreme Sounds: Lessons in a Noisy World |
| Physics |
Find the Horsepower of a Toy Car |
| Physics |
Football Punting: Distance vs. Hang-time |
| Physics |
Forensics: How Does It Matter? Measure the Spatter! |
| Physics |
Frequency-Dependent Sound Absorption |
| Physics |
Give It a Lift with a Lever |
| Physics |
HAMing It Up with the Astronauts |
| Physics |
High-Speed Magnets: Exploring Faraday's Law and Lenz's Law |
| Physics |
Hit the Slopes: Build Your Own Ski Lift |
| Physics |
How Does Color Affect Heating by Absorption of Light? |
| Physics |
How Does Your Eardrum Work? |
| Physics |
How Long Will My Sleepy Yo-yo Sleep? |
| Physics |
How the Strength of a Magnet Varies with Temperature |
| Physics |
How to Build an X-ray Machine |
| Physics |
Investigate the 'Death' of an Orange: How is Rate of Heat Loss Based on the Surrounding Temperature? |
| Physics |
Investigating the 'Mpemba Effect': Can Hot Water Freeze Faster than Cold Water? |
| Physics |
Ion Thruster: Build an Ion Wind Rotor |
| Physics |
Is your Physics Textbook Lying? Linear & Nonlinear Springs |
| Physics |
Kaleidoscope Science |
| Physics |
Launch Time: The Physics of Catapult Projectile Motion |
| Physics |
Levitating Magnets: Floating Isn't Just for Magicians |
| Physics |
Making A Candy Waterfall: Can Solids Flow Like Liquids? |
| Physics |
Marble Roller Coaster: Converting Potential Energy to Kinetic Energy |
| Physics |
Marble Roller Coaster: How Much Height to Loop the Loop? |
| Physics |
Measure the Frequency Response of a Paper Speaker |
| Physics |
Measuring Sugar Content of a Liquid with a Laser Pointer |
| Physics |
Measuring the Speed of 'Light' with a Microwave Oven |
| Physics |
Measuring the Surface Tension of Water |
| Physics |
Mixing Mystery: Why Does Tumbling Sometimes Separate Mixtures? |
| Physics |
Motion Mania: Applying Physics to Hula-Hooping |
| Physics |
On the Rebound: The Height Limits and Linearity of Bouncy Balls |
| Physics |
Paper Ball Run Challenge |
| Physics |
Particles in the Mist: See Radioactive Particles Decay with Your Own Cloud Chamber! |
| Physics |
Ping Pong Pickup Challenge |
| Physics |
Pop Goes the Metal: How Temperature Affects Snap Time of a Jumping Disc |
| Physics |
Rainbow Fire Science Project |
| Physics |
Rocket Science: How High Can You Send a Payload? |
| Physics |
Rubber Band Car Challenge |
| Physics |
Science Fair CSI: Can You Predict the Spatter? |
| Physics |
Simple Harmonic Motion in a Spring-Mass System |
| Physics |
Simulate Clean Room Contamination with Crayon Leaf Rubbings |
| Physics |
Slip Sliding Away: Experimenting with Friction |
| Physics |
Solid Motor Rocket Propulsion |
| Physics |
Space Radiation Protection |
| Physics |
Spare-Change Circus: Walking Coins on a (Vertical!) 'High Wire' |
| Physics |
Spinning Colors: How Do Primary Colors Combine to Make New Colors? |
| Physics |
Stealthy Shapes: How to Make an Aircraft Invisible to Radar |
| Physics |
Stop the Train! Magnetic Brakes for a Maglev Train |
| Physics |
Supercooling Water and Snap Freezing |
| Physics |
Swing Low: Investigate the Motion of a Pendulum |
| Physics |
Tallest Paper Tower Challenge |
| Physics |
Technicolor Shadows: Lessons in Light and Color |
| Physics |
Test the Webb Space Telescope's Amazing Multiple Mirrors and Sunshield |
| Physics |
The Joly Photometer: Measuring Light Intensity Using the Inverse Square Law |
| Physics |
The Physics of Artificial Gravity |
| Physics |
The Physics of Simulation vs Reality |
| Physics |
Try the Mythbusters' "Phone Book Friction" Experiment at Home |
| Physics |
Under Siege! Use a Catapult to Storm Castle Walls |
| Physics |
Using a Laser Pointer to Measure the Data Track Spacing on CDs and DVDs |
| Physics |
Using a Laser to Measure the Speed of Light in Gelatin |
| Physics |
Volleyball Machine Challenge |
| Physics |
Watching Nuclear Particles: See Background Radiation Zoom Through A Cloud Chamber |
| Physics |
Water Striders & Surface Tension |
| Physics |
What Goes Up, Must Come Down: Conduct Galileo's Famous Falling Objects Experiment |
| Physics |
What is the Cheapest Way to Launch Payloads into Space? |
| Physics |
What is the Maximum Intermediate Height for a Siphon? |
| Physics |
What's the Best Exposure Time for Sun Print Paper? |
| Physics |
What's the Fastest Way to Cool a Soda? |
| Plant Biology |
A Toxic Test: Can Plants Be Genetically Resistant to Heavy Metals? |
| Plant Biology |
Are Soil Microorganisms Important for Plant Health? |
| Plant Biology |
Attack of the Killer Cabbage Clones |
| Plant Biology |
Bacteria Can Fix It! A Comparison of Nitrogen-Fixing Bacteria and Nitrogen Fertilizers |
| Plant Biology |
Build a Circuit to Automatically Water Your Plants |
| Plant Biology |
Can Aloe Juice Save Your Berries from Mold? |
| Plant Biology |
Can Plants Stop Soil Erosion? |
| Plant Biology |
Can Water Plants Be Used to Determine Water Quality? |
| Plant Biology |
Chlorophyll Extraction |
| Plant Biology |
Cryopreservation: Freezing Plant Tissues |
| Plant Biology |
Do Different Tree Species Grow at the Same Rate? |
| Plant Biology |
Earthworm Castings — The Ideal Proportion in Soil for Young Garden Plants |
| Plant Biology |
Fruit Ripening |
| Plant Biology |
Fungi Spores |
| Plant Biology |
Germination |
| Plant Biology |
Gone With the Wind: An Experiment on Seed & Fruit Dispersal |
| Plant Biology |
Grow Plants in Microgravity with an Arduino Clinostat |
| Plant Biology |
Growing Great Gardens: Using Human Urine as a Fertilizer |
| Plant Biology |
Growing Plants on Mars |
| Plant Biology |
Growing, Growing, Gone! An Experiment on Nitrogen Fertilizers |
| Plant Biology |
Harmful or Helpful? The Effects of Hydrogen Peroxide on the Roots of Plant Cuttings & on Seed Germination |
| Plant Biology |
How Do Flowers Develop? |
| Plant Biology |
How Do Plants Change the Buildup of Greenhouse Gases? |
| Plant Biology |
How Do Roots Grow When the Direction of Gravity Changes? |
| Plant Biology |
How Does the Stem Grow? |
| Plant Biology |
How Many Seeds Do Different Types of Fruit Produce? |
| Plant Biology |
How Vines Find Their Spines: Thigmotropism in Morning Glory Tendrils |
| Plant Biology |
Hydroponics: Gardening Without Soil |
| Plant Biology |
Is It Ripe Yet? Build a Circuit to Detect Ripe Produce |
| Plant Biology |
It's Crowded in Here! A Study of Plant Population Density |
| Plant Biology |
Monitor Your Plants with a Soil Moisture Sensor |
| Plant Biology |
Moss is Boss: Using Plants to Determine Direction |
| Plant Biology |
One Bad Apple Spoils the Whole Bunch: An Experiment on the Plant Hormone Ethylene |
| Plant Biology |
Plants Are On The Move! A Study of Gravitropism |
| Plant Biology |
Plants on the Move! Experiments with Phototropism |
| Plant Biology |
Propagate Plants Without Using Seeds! |
| Plant Biology |
Rad Radishes: Effects of Irradiation on Seed Germination |
| Plant Biology |
Radiant Radish Seeds |
| Plant Biology |
Reveal the Red: Exploring the Chemistry of Red Flower Pigments |
| Plant Biology |
Shoots: How do Mint Plants Branch to Form New Stems? |
| Plant Biology |
Size vs. Depth: The Relationship Between the Size of a Seed and Its Ideal Planting Depth |
| Plant Biology |
Sprouting Sweet Potatoes Slips |
| Plant Biology |
Suck It Up: Capillary Action of Water in Plants |
| Plant Biology |
Toxic Trees: Just How Toxic is That Black Walnut Tree? |
| Plant Biology |
Use Floating Leaf Disks to Study Photosynthesis |
| Plant Biology |
Weeds Be Gone! Experiment with Factors that Affect Roundup® Weed Killer |
| Plant Biology |
What Color Are the Leaves Really Turning? |
| Plant Biology |
What is the Rate of Leaf Growth Along the Stem? |
| Pure Mathematics |
Around the World: The Geometry of Shooting Baskets |
| Pure Mathematics |
Basketball: The Geometry of Banking a Basket |
| Pure Mathematics |
Bet You Can't Hit Me! The Science of Catapult Statistics |
| Pure Mathematics |
Chain Reaction: Inversion and the Pappus Chain Theorem |
| Pure Mathematics |
Data Models |
| Pure Mathematics |
Design Your Own 3D Printed Optical Illusion |
| Pure Mathematics |
Devising an Algorithm for Solving Rubik's Cube |
| Pure Mathematics |
Dice Probabilities |
| Pure Mathematics |
Divide and Conquer: Proving Pick's Theorem for Lattice Polygons |
| Pure Mathematics |
Draw a Spirograph with a Raspberry Pi |
| Pure Mathematics |
Estimation and Population Size |
| Pure Mathematics |
Exploring Fractals |
| Pure Mathematics |
Fractals |
| Pure Mathematics |
Frequency Histograms |
| Pure Mathematics |
Frequency of Outcomes in a Small Number of Trials |
| Pure Mathematics |
Geometry of Goal-Scoring |
| Pure Mathematics |
Gigantic, Invisible Triangles: Measuring Height (or Altitude) with an Inclinometer |
| Pure Mathematics |
Hacking the Air Gap: Stealing Data from a Computer that isn't Connected to the Internet |
| Pure Mathematics |
How Do Baseball Stadium Dimensions Affect Batting Statistics? |
| Pure Mathematics |
Is There Such a Thing as Streakiness in Baseball? |
| Pure Mathematics |
Juice Box Geometry |
| Pure Mathematics |
M&M Geometry |
| Pure Mathematics |
M&M Math |
| Pure Mathematics |
Magic Squares |
| Pure Mathematics |
Making Patterns with Rubik's Cube |
| Pure Mathematics |
Measuring Up |
| Pure Mathematics |
Money Problems |
| Pure Mathematics |
Origami |
| Pure Mathematics |
Pick a Card, Any Card |
| Pure Mathematics |
Play-Doh Math |
| Pure Mathematics |
Playing Games |
| Pure Mathematics |
Playing Music |
| Pure Mathematics |
Relationships Between Variables: Using Correlation and Linear Regression |
| Pure Mathematics |
Scale Models |
| Pure Mathematics |
Shape Changing with the CyberSquad |
| Pure Mathematics |
Solving Logic Problems |
| Pure Mathematics |
The Birthday Paradox |
| Pure Mathematics |
The Effects of Card Counting on a Simple Card Game |
| Pure Mathematics |
Throwing You Some Curves: Is Red or Blue Longer? |
| Pure Mathematics |
Tiling with Spidrons |
| Pure Mathematics |
Topologies |
| Pure Mathematics |
What Makes a Team's Winning Percentage Deviate from the Pythagorean Relationship? |
| Pure Mathematics |
What's the Fastest Way to Solve Rubik's Cube? |
| Robotics |
3D Print a Drone Frame |
| Robotics |
Art Bot: Build a Wobbly Robot That Creates Art |
| Robotics |
Build a Fuzzy Companion Robot |
| Robotics |
Build a Jumping Robot |
| Robotics |
Build a Light-Tracking Bristlebot |
| Robotics |
Build a Miniature Self-Driving Car |
| Robotics |
Build a Motion-Activated Guard Robot (BlueBot Project #1) |
| Robotics |
Build a Radio-Controlled (RC) Robot |
| Robotics |
Build a Remotely Operated Vehicle (ROV) for Underwater Exploration |
| Robotics |
Build a Robotic Arm |
| Robotics |
Build a Simple Drone and Test How Much It Can Lift |
| Robotics |
Build a Simple Steerable Robot |
| Robotics |
Build a Simple Underwater Robot |
| Robotics |
Build a Simple Walking Robot |
| Robotics |
Build a Solar-Powered Bristlebot |
| Robotics |
Build a Solar-Tracking Robot |
| Robotics |
Build a Sound-Tracking Search and Rescue Robot |
| Robotics |
Build a Speedy Light-Tracking Robot (BlueBot Project #2) |
| Robotics |
Build a Zippy Line-following Robot (BlueBot Project #3) |
| Robotics |
Build an Arduino Robot |
| Robotics |
Build an Arduino Walking Robot |
| Robotics |
Build an Autonomous Arduino Robot with Bump Sensors |
| Robotics |
Build an Obstacle-Avoiding Robot (BlueBot Project #4) |
| Robotics |
Build an RC Boat |
| Robotics |
Build Your Own RC Drone |
| Robotics |
Clean Up The Water with a Trash-Skimming Robot |
| Robotics |
Climb Every Mountain with Your Own LEGO® Cable Car |
| Robotics |
Design and 3D-Print Your Own Robot! |
| Robotics |
Design Your Own Vibrobots |
| Robotics |
Eco-Friendly Squishy Robots |
| Robotics |
Flippy, the Dancing Robot |
| Robotics |
Go, Gadget, Go! Building Robots with LEGO® Mindstorms® |
| Robotics |
Grasping with Straws: Make a Robot Hand Using Drinking Straws |
| Robotics |
How Do Swarms of Bristlebots Behave? |
| Robotics |
How Does Robot Behavior Affect Human-Robot Interaction? |
| Robotics |
How Fast is Automatic Braking? |
| Robotics |
How to Control a DIY Mini Drone with an Arduino™ |
| Robotics |
Human-Robot Interaction: Do Looks Matter? |
| Robotics |
Interactive Art: Build Statues That Come Alive When They See You |
| Robotics |
Keep Your Arduino Robot From Falling Off a Cliff |
| Robotics |
Make a Magnetic Slime Robot |
| Robotics |
Make an Origami Robotic Gripper |
| Robotics |
Motorizing a Robotic Hand |
| Robotics |
PID Controller Tuning for a Drone |
| Robotics |
Racing Bristlebots: On Your Mark. Get Set. Go! |
| Robotics |
Racing Drones: Does Practice Make You Faster? |
| Robotics |
Robots to the Rescue! Build & Test a Search-and-Rescue Robot |
| Robotics |
SeaPerch: An Underwater Robot |
| Robotics |
Should My Robot be More or Less Squishy? |
| Robotics |
Squishy Robot Simulator |
| Robotics |
Squishy Robot Simulator: Physics Settings |
| Robotics |
Squishy Robots: Build an Air-Powered Soft Robotic Gripper |
| Robotics |
Stair Master: Build an All-Terrain Robot |
| Robotics |
Take a Hike: Train Your Robot Dog to Walk with a Virtual Leash |
| Robotics |
That's Creepy! Exploring the Uncanny Valley |
| Robotics |
The Frightened Grasshopper: A Solar-Powered Robot Bug |
| Robotics |
Use the Force! Push & Pull Robots With an Invisible Force |
| Robotics |
What Sensors Are Best for Self-Driving Cars? |
| Robotics |
What's the Best Way to Disable a Drone? |
| Robotics |
X Marks the Spot: Build a Robot to Protect Your Treasures |
| Self-Driving Cars |
Build a Miniature Self-Driving Car |
| Self-Driving Cars |
Drive a Race Car with Machine Learning |
| Self-Driving Cars |
How Fast is Automatic Braking? |
| Self-Driving Cars |
Identify Road Signs with Machine Learning |
| Self-Driving Cars |
What Sensors Are Best for Self-Driving Cars? |
| Sociology |
A Box Office Disappointment: Why the Book is Always Better than the Movie |
| Sociology |
Boys and Girls All Around the Town |
| Sociology |
Can Adults Pass a Middle School Science Test? |
| Sociology |
Can You Crowdsource a Better School Environment? |
| Sociology |
Decisions, Decisions: Judging a Book by Its Cover? |
| Sociology |
Do People Take Longer When Someone Is Waiting? Perception vs. Reality |
| Sociology |
Does Birth Order Affect Grade Point Average? |
| Sociology |
Does Gender Affect Color Preference? |
| Sociology |
Evolution of Friendship Groups Over Time |
| Sociology |
How Do Fears Change with Age? |
| Sociology |
How Secure Are Your Security Questions? |
| Sociology |
Is It OK to Cheat If Everyone Else Is? |
| Sociology |
Only If They Think They Can Get Away with It? |
| Sociology |
Racial and Gender Bias in AI-Generated Images |
| Sociology |
Social Media: When and Where Do People Post? |
| Sociology |
Spending Habits: Tightwads vs. Spendthrifts |
| Sociology |
Teachers Rule! |
| Sociology |
Testing Behavioral Incentives |
| Sociology |
Testing How Clothing Choices Impact the Behavior of Others Around Us |
| Sociology |
The Case of Mistaken Identity |
| Sociology |
The Effects of a Student-Generated Lesson Summary on Retention |
| Sociology |
The Eye of the Beholder and the Mind of the Beheld |
| Sociology |
The Power of Suggestion |
| Sociology |
What Bone Do Children Break Most Often, and What Is the Main Cause? |
| Sociology |
Why Are Teens Stressed? |
| Space Exploration |
A Model of Gravity in Our Solar System |
| Space Exploration |
Asteroid Mining: Gold Rush in Space? |
| Space Exploration |
Bottle Rocket Blast Off! |
| Space Exploration |
Build a Model Mass Driver for Launching Objects into Space |
| Space Exploration |
Build a Solar-Tracking Robot |
| Space Exploration |
Build an Arduino Robot |
| Space Exploration |
Build an Autonomous Arduino Robot with Bump Sensors |
| Space Exploration |
Catching Stardust |
| Space Exploration |
Correlation of Coronal Mass Ejections with the Solar Sunspot Cycle |
| Space Exploration |
Detecting Exoplanets Using Transit Photometry—Advanced |
| Space Exploration |
Explore Interplanetary Spacecraft Maneuvers with FreeFlyer® |
| Space Exploration |
Explore Satellites with Powerful Simulation Software |
| Space Exploration |
Gigantic, Invisible Triangles: Measuring Height (or Altitude) with an Inclinometer |
| Space Exploration |
Grow Plants in Microgravity with an Arduino Clinostat |
| Space Exploration |
Growing Plants on Mars |
| Space Exploration |
HAMing It Up with the Astronauts |
| Space Exploration |
How to Build on Mars! |
| Space Exploration |
Ion Thruster: Build an Ion Wind Rotor |
| Space Exploration |
Keep Your Arduino Robot From Falling Off a Cliff |
| Space Exploration |
Measuring Height Or Distances with a Camera |
| Space Exploration |
Model Rocket Aerodynamics: Stability |
| Space Exploration |
NASA Asteroid Database: What Can You Learn About Our Solar System? |
| Space Exploration |
Parachutes: Does Size Matter? |
| Space Exploration |
Planet Hunters TESS |
| Space Exploration |
Rocket Science: How High Can You Send a Payload? |
| Space Exploration |
Rocketology: Baking Soda + Vinegar = Lift Off! |
| Space Exploration |
Satellite Science: How Does Speed Affect Orbiting Altitude? |
| Space Exploration |
Solid Motor Rocket Propulsion |
| Space Exploration |
Space Radiation Protection |
| Space Exploration |
Study Bottle Rocket Performance with Electronic Sensors |
| Space Exploration |
Test the Webb Space Telescope's Amazing Multiple Mirrors and Sunshield |
| Space Exploration |
Testing the Strength of Martian Bricks |
| Space Exploration |
The Measure of Mercury: Analyzing Impact Craters on the Innermost Planet |
| Space Exploration |
The Physics of Artificial Gravity |
| Space Exploration |
Track the Journey of Harbor Porpoises |
| Space Exploration |
Tracking Geomagnetic Storms in the Ionosphere |
| Space Exploration |
Using Kepler Space Telescope Data to Identify an Exoplanet |
| Space Exploration |
Using the Solar & Heliospheric Observatory Satellite (SOHO) to Determine the Rotation of the Sun |
| Space Exploration |
Using the Solar & Heliospheric Observatory Satellite (SOHO) to Measure the Motion of a Coronal Mass Ejection |
| Space Exploration |
What is the Cheapest Way to Launch Payloads into Space? |
| Sports Science |
A Cure for Hooks and Slices? Asymmetric Dimple Patterns and Golf Ball Flight |
| Sports Science |
Aerodynamics and Hockey: Does the Force of Drag Have an Effect on the Distance the Puck Will Travel? |
| Sports Science |
Aerodynamics of a Football |
| Sports Science |
Are More Expensive Golf Balls Worth It? |
| Sports Science |
Back and Forth to Go Forward: A Snake on Wheels? |
| Sports Science |
Balancing Act: Finding Your Center of Gravity |
| Sports Science |
Baseball Bat Debate: What's Better, Wood or Aluminum? |
| Sports Science |
Basketball Physics: Where Does a Bouncing Ball's Energy Go? |
| Sports Science |
Basketball: The Geometry of Banking a Basket |
| Sports Science |
Basketball: Will You Bank the Shot? |
| Sports Science |
Bouncing Basketballs: How Much Energy Does Dribbling Take? |
| Sports Science |
Cold Pack Chemistry: Where Does the Heat Go? |
| Sports Science |
Crossed Up: Does Crossed Hand/Eye Dominance Affect Basketball Shooting Percentage? |
| Sports Science |
Drag Racing in the Water |
| Sports Science |
Electrolyte Challenge: Orange Juice Vs. Sports Drink |
| Sports Science |
Field Goal! The Science Behind a Perfect Football Kick |
| Sports Science |
Football Field Goals: Going the Distance |
| Sports Science |
Football: Punting |
| Sports Science |
Golf Clubs, Loft Angle, and Distance |
| Sports Science |
Golf Clubs, Loft Angle, and Distance: The Science of Hitting |
| Sports Science |
Heart Health: How Does Heart Rate Change with Exercise? |
| Sports Science |
Hey Gear Heads! The Physics of Bicycle Gear Ratios |
| Sports Science |
How Do Under-Inflated Tires Affect the Difficulty of Riding a Bike? |
| Sports Science |
How Far Can You Throw (or Kick) a Ball? |
| Sports Science |
How Fast Can You Shoot a Hockey Puck? |
| Sports Science |
How High Can You Throw a Baseball? A Tennis Ball? A Football? A Golf Ball? |
| Sports Science |
How Quickly Does a Tennis Ball Lose Its Bounce? |
| Sports Science |
Jumping Distance |
| Sports Science |
Keeping Up |
| Sports Science |
Measuring Concussion Risk in Football and Other Contact Sports |
| Sports Science |
Nothing But Net: The Science of Shooting Hoops |
| Sports Science |
Paintball Ballistics |
| Sports Science |
Physics of Vibrations |
| Sports Science |
Playing the Angles: The Physics of Balls Bouncing Off of Surfaces |
| Sports Science |
Popping an Ollie: How Skateboarders + Physics = A Really Cool Trick |
| Sports Science |
Power Kicks: The Physics of Martial Arts |
| Sports Science |
Racing to Win That Checkered Flag: How Do Gases Help? |
| Sports Science |
She Shoots, She Scores! How Does Hockey Stick Flex Affect Accuracy and Speed? |
| Sports Science |
Skateboard Extremes: Which Wheels are Best for Speed & Turns? |
| Sports Science |
Skating and Angular Momentum |
| Sports Science |
Skiing and Friction: How Does Ski Wax Affect the Sliding Friction of Skis? |
| Sports Science |
Skipping Science: An Experiment in Jump Rope Lengths |
| Sports Science |
Soccer: Geometry of Goal-Scoring |
| Sports Science |
Speed Quest |
| Sports Science |
Tee Time: How Does Tee Height Affect Driving Distance? |
| Sports Science |
Tee Time: How Fast is Your Golf Swing? |
| Sports Science |
The Biomechanics of Pitching |
| Sports Science |
The Brain-Body Connection: Can Exercise Really Make Our Brains Work Better? |
| Sports Science |
The Physics of Baseball and Hit Charts |
| Sports Science |
The Physics of Cheating in Baseball |
| Sports Science |
The Physics of Follow-Through |
| Sports Science |
The Science of Spin: A Baseball Pendulum |
| Sports Science |
The Science of Spin: How Does Spin Affect the Trajectory of a Kicked Soccer Ball? |
| Sports Science |
Think Fast! |
| Sports Science |
Tightening the Turns in Speed Skating: Lessons in Centripetal Force & Balance |
| Sports Science |
Under Pressure: Ball Bouncing Dynamics |
| Sports Science |
Which Team Batting Statistic Predicts Run Production Best? |
| Video & Computer Games |
Artificial Intelligence: Teaching the Computer to Play Tic-Tac-Toe |
| Video & Computer Games |
Can Gaming Help You Score Better in School? |
| Video & Computer Games |
Create and View Your Own 3D Models in Virtual Reality |
| Video & Computer Games |
Creating a Video Game for the Blind |
| Video & Computer Games |
Design a Game to Help Alzheimer's Patients |
| Video & Computer Games |
Design Your Own Video Game with a Raspberry Pi |
| Video & Computer Games |
Design Your Own Virtual Reality Headset |
| Video & Computer Games |
Distracted Driver: Do Distractions Affect Driving Video Game Scores? |
| Video & Computer Games |
Do Males and Females Play the Same Types of Games? |
| Video & Computer Games |
Flight Simulators: From Flaps to Flying |
| Video & Computer Games |
Follow the Bouncing Ball: A Web Animation Project |
| Video & Computer Games |
Fun or Frustrating? |
| Video & Computer Games |
Gamers: Myth or Man? |
| Video & Computer Games |
Go Fish! Creating an Ocean-Friendly Fishing Video Game |
| Video & Computer Games |
Hit Boxes: How Size Affects Score |
| Video & Computer Games |
How Fast Can You Become a Virtual Rock Star? |
| Video & Computer Games |
Image Compression vs. Image Quality: Finding the Best Tradeoff |
| Video & Computer Games |
Is There Such a Thing as Too Much Gaming? |
| Video & Computer Games |
Making It Real: Incorporating Physics in Video Games |
| Video & Computer Games |
No Pain, Lots of Game |
| Video & Computer Games |
Out of Control! |
| Video & Computer Games |
Playing Along with Video Games: Investigating the Role of Procedural Music |
| Video & Computer Games |
Power Play: How Does Animation Timing Affect Your Perception of Game Action? |
| Video & Computer Games |
Programming NANORGs in a Virtual World |
| Video & Computer Games |
Storytelling Alice: Once Upon a Time in a Computer-generated Land... |
| Video & Computer Games |
Sweating the Score: Can Video Games Be a Form of Exercise? |
| Video & Computer Games |
The Pixel Puzzle: Why Video Game Characters Look Better Today |
| Video & Computer Games |
To Infinity and Beyond: Plan a City of the Future with Sim City. |
| Video & Computer Games |
Want to Make a Video Game? Here's How! |
| Virtual Reality |
Create and View Your Own 3D Models in Virtual Reality |
| Virtual Reality |
Design Your Own Virtual Reality Headset |
| Virtual Reality |
Do People Prefer Virtual Reality Headsets over 2D Pictures? |
| Virtual Reality |
Do You Hear What You See? |
| Weather & Atmosphere |
Air Pollution |
| Weather & Atmosphere |
Altitude and Weather |
| Weather & Atmosphere |
Barometric Pressure and Weather |
| Weather & Atmosphere |
Dry Spells, Wet Spells: How Common Are They? |
| Weather & Atmosphere |
Flash Floods |
| Weather & Atmosphere |
Floods |
| Weather & Atmosphere |
Foggy Forecasting: What Weather Factors Create Radiation Fog? |
| Weather & Atmosphere |
From Gas to Rust: Measuring the Oxygen Content of Air |
| Weather & Atmosphere |
How do Mountain Ranges Affect Weather? |
| Weather & Atmosphere |
How Do the Seasons Change in Each Hemisphere? |
| Weather & Atmosphere |
How Does a Wind Meter Work? |
| Weather & Atmosphere |
How Does Atmospheric Temperature Affect the Water Content of Snow? |
| Weather & Atmosphere |
Humidity and Weather |
| Weather & Atmosphere |
Hurricanes |
| Weather & Atmosphere |
Is Your Neighborhood an Urban Heat Island? |
| Weather & Atmosphere |
Latitude and Weather |
| Weather & Atmosphere |
Make a Hygrometer with Strands of Hair |
| Weather & Atmosphere |
Make Your Own Psychrometer |
| Weather & Atmosphere |
Ocean Currents and Weather |
| Weather & Atmosphere |
Ozone Depletion |
| Weather & Atmosphere |
Predicting the Weather |
| Weather & Atmosphere |
Temperature, Weather, and Air Movement |
| Weather & Atmosphere |
Tornadoes |
| Weather & Atmosphere |
Tracking Geomagnetic Storms in the Ionosphere |
| Weather & Atmosphere |
Using Weather Balloon Data to Map Atmospheric Temperature |
| Weather & Atmosphere |
Weather and Climate in Your Neighborhood |
| Weather & Atmosphere |
Weathering the Windchill: How Does Wind Speed Affect How Quickly an Object Cools? |
| Weather & Atmosphere |
Wind Speed |
| Zoology |
Animal Magnetism: Do Large Mammals Align Themselves with Earth's Magnetic Field? |
| Zoology |
Animal Magnetism: Do Magnets Affect Regeneration in Planaria? |
| Zoology |
Antlion Pits in Open Sand or Under Leaf Cover |
| Zoology |
Are We There Yet? Test How Migratory Birds Navigate |
| Zoology |
Ask a Cricket, 'What is The Temperature?' |
| Zoology |
Attractants and Repellants |
| Zoology |
Bones and Calcium |
| Zoology |
Build a Better Moth Trap: Will Different-colored Lights Affect How Many Moths You Catch? |
| Zoology |
Build a Bird Feeder and Study the Birds in Your Backyard! |
| Zoology |
Butterfly Wings: Using Nature to Learn About Flight |
| Zoology |
Caffeine and Heart Rate: A Pharmacological Study Using Daphnia magna |
| Zoology |
Can Copper Foil Snails? |
| Zoology |
Can You Predict a Bird's Lifestyle Based on Its Feet? |
| Zoology |
Coffee Buzz: How Does Caffeine Affect the Physiology of Animals? |
| Zoology |
Day or Night? |
| Zoology |
Do Migratory Birds Like It Hot? |
| Zoology |
Do Milkweed Bugs Show a Color Preference for Egg-Laying Sites? |
| Zoology |
Does Body Size Matter? |
| Zoology |
Does Temperature Affect the Rate of Butterfly Development? |
| Zoology |
Drawing Circles Around Ants |
| Zoology |
Eeew! Maggot Mass Temperature |
| Zoology |
Eggs and Hen's Diet: Can You Get Bigger Eggs for Peanuts? |
| Zoology |
Finding Phyla |
| Zoology |
Go and Stop? Ant Traffic Signals |
| Zoology |
Growth and Age |
| Zoology |
How Does a Chick Breathe Inside Its Shell? |
| Zoology |
How Much Do Different Pet Species Eat Compared to Each Other? |
| Zoology |
How Much Worm Is a Worm? |
| Zoology |
How Sweet It Is! Explore the Roles of Color and Sugar Content in Hummingbirds' Food Preferences. |
| Zoology |
How to Design a Great Cat Toy |
| Zoology |
Ladybug Spots and Breeding |
| Zoology |
M&M Survival Challenge |
| Zoology |
Ocean Bioluminescence: Investigate When and How Dinoflagellates Glow |
| Zoology |
Pedalism and Movement |
| Zoology |
Respiration and Gills: What Factors Affect Respiration in an Aquatic Environment? |
| Zoology |
Skeleton Building |
| Zoology |
Smarter Than Your Average Slime: Maze-solving by an Amoeboid Organism |
| Zoology |
Squirmy Wormy: Which Soil Type Do Earthworms Like Best? |
| Zoology |
Testing Ant Repellents |
| Zoology |
The Touch Response |
| Zoology |
Understanding Wolf Behavior from GPS Tracking Data |
| Zoology |
What Are You Blubbering About? |
| Zoology |
What Is Home Sweet Home to a Bug? |
| Zoology |
What is the Most Effective Treatment for Whitefly Infestations on Plants? |
| Zoology |
What Seeds Do Birds Prefer to Eat? |
| Zoology |
Where Do Earthworms Hang Out When Food Is Around? |
| Zoology |
Where Do Lizards Go for Lunch? |
| Zoology |
Which Bait Works Best for a Homemade Fly Trap? |
| Zoology |
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With a Little Bread as Bait, Can You Make a Bird Migrate? |
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Worm Hunt: Isolating Soil Nematodes from Your Backyard |
