Below is a list of the 502 science fair project ideas on our site. To help you find a topic that can hold your interest, Science Buddies has also developed the Topic Selection Wizard. It will help you focus on an area of science that's best for you without having to read through every project one by one! We have "abstracts" of hundreds of additional ideas at Science Fair Project Ideas.
| Area of Science | Project Idea Title (Click on the link for details on each project.) |
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| Aerodynamics & Hydrodynamics | Bottled-Up Buoyancy |
| Aerodynamics & Hydrodynamics | Buoyancy of Floating Cylinders |
| Aerodynamics & Hydrodynamics | Do Submarines Need Fins? |
| Aerodynamics & Hydrodynamics | Efficient Propeller Design |
| Aerodynamics & Hydrodynamics | How Does a Hovercraft Work? |
| Aerodynamics & Hydrodynamics | How Much Weight Can Your Boat Float? |
| Aerodynamics & Hydrodynamics | Let's Go Fly a Kite! |
| 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 | Parachutes: Does Size Matter? |
| Aerodynamics & Hydrodynamics | Riding on Air—Build a Real Hovercraft |
| Aerodynamics & Hydrodynamics | Rocket Aerodynamics |
| Aerodynamics & Hydrodynamics | The 'Ultimate' Science Fair Project: Flying Disk Aerodynamics |
| Aerodynamics & Hydrodynamics | The Swimming Secrets of Duck Feet |
| Aerodynamics & Hydrodynamics | The Wright Stuff: Using Kites to Study Aerodynamics |
| 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 | Whirl-y-bird vs. Whale-y-bird |
| Aerodynamics & Hydrodynamics | Why Do Aerobie Flying Rings Go So Much Further Than Frisbees? |
| Aerodynamics & Hydrodynamics | Why Winglets? |
| Aerodynamics & Hydrodynamics | Winglets in Wind Tunnels |
| Applied Mechanics | Applying Hooke's Law: Make Your Own Spring Scale |
| Applied Mechanics | Bomb's Away! A Ping Pong Catapult |
| Applied Mechanics | Deep Knee Bends: Measuring Knee Stress with a Mechanical Model |
| Applied Mechanics | Effect of Friction on Objects in Motion |
| Applied Mechanics | Effect of Trebuchet Arm Length or Counterweight Mass on Projectile Distance |
| Applied Mechanics | Fractography: The Way Things Break |
| Applied Mechanics | Gears-Go-Round! |
| Applied Mechanics | Give Yourself a Lift: Lightening the Load with Pulleys |
| Applied Mechanics | It's All in the Wrist: Moving Water with the Archimedes Screw Pump |
| Applied Mechanics | Knock Your Blocks Off: The Mechanics of Carnival Games |
| Applied Mechanics | Measuring Vibrational Frequency with Light |
| Applied Mechanics | Rubber Band Elasticity and Temperature |
| Applied Mechanics | Rubber Bands for Energy |
| Applied Mechanics | Slinking Slinkies |
| Applied Mechanics | Slippery Slopes and Sticking Surfaces: Explore the Forces of Friction |
| Applied Mechanics | Soda Straw Robot Simulator |
| Applied Mechanics | Take the Sally Ride TOYchallenge |
| Applied Mechanics | The Gaming Master |
| Applied Mechanics | The Physics of Cheating in Baseball |
| Applied Mechanics | Time is Money |
| Applied Mechanics | Understand Shock Levels and Packaging Principles |
| Applied Mechanics | Veggie Snap! Modifying Bending Stresses in a Flexible Rod |
| Applied Mechanics | Which Simple Machines Do I Use the Most? |
| Applied Mechanics | You Nailed It! Hammering Force for Different Types of Wood |
| Astronomy | A Matter of Time |
| Astronomy | A Puzzling Parallax |
| Astronomy | Calculating the Circumference of the Earth |
| Astronomy | Catching Stardust |
| Astronomy | Changing Constellations |
| Astronomy | Correlation of Coronal Mass Ejections with the Solar Sunspot Cycle |
| Astronomy | Craters and Meteorites |
| Astronomy | Measuring the Moon |
| Astronomy | Similar Triangles: Using Parallax to Measure Distance |
| Astronomy | Sunspot Cycles |
| Astronomy | The Milky Way and Beyond: Globular Clusters |
| Astronomy | The Moon and the Stars |
| Astronomy | The Moon and Tides |
| Astronomy | Using a Digital Camera to Measure Skyglow |
| 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? |
| Biotechnology | A Juicy Project: Extracting Apple Juice with Pectinase |
| Biotechnology | A Magnetic Primer Designer |
| Biotechnology | Bacterial Transformation Efficiency |
| Biotechnology | Do-It-Yourself DNA |
| Biotechnology | Egg Substitutes |
| Biotechnology | Enzyme-Catalyzed Reactions -- What Affects Their Rates? |
| Biotechnology | Extracting Onion DNA |
| Biotechnology | Forensic Science: Building Your Own Tool for Identifying DNA |
| Biotechnology | How Are Antibodies Used for Blood Typing? |
| Biotechnology | Mag-nificent Breakfast Cereal |
| Biotechnology | Molecular Scissors |
| Biotechnology | What Makes a DNA Fingerprint Unique? |
| Biotechnology | Which Fruits Can Ruin Your Dessert? |
| Biotechnology | Who Done It? DNA Fingerprinting and Forensics |
| Chemistry | A Soluble Separation Solution |
| Chemistry | Big Pieces or Small Pieces: Which React Faster? |
| Chemistry | Bouncy Polymer Chemistry |
| Chemistry | Boyle's Law: Pressure vs. Volume of a Gas at Constant Temperature |
| Chemistry | Bubble-ology |
| Chemistry | Burning Calories: How Much Energy is Stored in Different Types of Food? |
| Chemistry | Cabbage Chemistry |
| Chemistry | Can You Change the Rate of a Chemical Reaction by Changing the Particle Size of the Reactants? |
| Chemistry | Candy Chromatography: What Makes Those Colors? |
| Chemistry | Charles's Law: Volume vs. Temperature of a Gas at Constant Pressure |
| Chemistry | Chemistry of Baking Ingredients 1: How Much Baking Powder Do Quick Breads Need? |
| Chemistry | Chemistry of Baking Ingredients 2: Can Baking Soda Substitute for Baking Powder in a Recipe? |
| Chemistry | Chemistry of Ice-Cream Making: Lowering the Freezing Point of Water |
| Chemistry | Determining Iodide Content of Salt |
| Chemistry | Do Oranges Lose or Gain Vitamin C After Being Picked? |
| Chemistry | How Fast Does an Alka-Seltzer® Tablet Make Gas? |
| Chemistry | How to Make the Boldest, Brightest Tie Dye! |
| Chemistry | Liver Stinks! |
| Chemistry | Make Your Own Markers |
| Chemistry | Make Your Own pH Paper |
| Chemistry | Measuring Surface Tension of Water with a Penny |
| Chemistry | Measuring the Amount of Acid in Vinegar by Titration with an Indicator Solution |
| Chemistry | Paper Chromatography: Advanced Version 1 |
| Chemistry | Paper Chromatography: Advanced Version 2 |
| Chemistry | Paper Chromatography: Basic Version |
| Chemistry | Plop, Plop, Fizz Fast: The Effect of Temperature on Reaction Time |
| Chemistry | Saturated Solutions: Measuring Solubility |
| Chemistry | The Chemistry of Hair Highlights |
| Chemistry | What Makes Ice Melt Fastest? |
| Chemistry | What's the Point of Boiling? |
| Chemistry | When Science is Sweet: Growing Rock Candy Crystals |
| Chemistry | Which Orange Juice Has the Most Vitamin C? |
| 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 | Dome Sweet Dome |
| Civil Engineering | How Does the Ratio of Sand to Cement Affect the Strength of Concrete? |
| Civil Engineering | Keeping You in Suspens(ion) |
| Civil Engineering | Set Your Table for a Sweet and Sticky Earthquake Shake |
| Civil Engineering | Solid Ground? Measuring Soil Bearing Capacity |
| Civil Engineering | Solving a 'Windy' Problem |
| 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 | Artificial Intelligence: Teaching the Computer to Play Tic-Tac-Toe |
| Computer Science | Bits, Bytes, and Bases: Write a JavaScript Binary/Decimal/Hexadecimal Converter |
| Computer Science | CD Burning: Take it to the Edge |
| Computer Science | Circles, Tangent Lines and Triangles |
| Computer Science | Combining Computer Science and Math: Circumscribing a Circle about a Triangle Using the Geometry Applet |
| Computer Science | Combining Computer Science and Math: Inscribing a Circle in a Triangle Using the Geometry Applet |
| Computer Science | Computer Sleuth: Identification by Text Analysis |
| 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 | Getting More Out of Less : Google Hits and Search Terms |
| Computer Science | How Fast is Your Computer? |
| Computer Science | How Many Letters? |
| Computer Science | Image Compression vs. Image Quality: Finding the Best Tradeoff |
| Computer Science | Image File Types and Size |
| Computer Science | Paragraph Stats: Writing a JavaScript Program to 'Measure' Text |
| Computer Science | Program to Check a Sudoku Solution |
| Computer Science | Programming NANORGs in a Virtual World |
| Computer Science | Tangent Circles and Triangles |
| Computer Science | The Point of a Parabola: Focusing Signals for a Better Wireless Network |
| Computer Science | Wild About Wildcards |
| Electricity & Electronics | A Cool Way to Make Electricity: Solar Cell Power Output vs. Temperature |
| Electricity & Electronics | Batteries: The Shocking Truth |
| Electricity & Electronics | Building an Electric Motor |
| Electricity & Electronics | Color Mixing with Red, Green, & Blue LEDs |
| Electricity & Electronics | Conductance as a Water Quality Measurement |
| Electricity & Electronics | Cool Junctions |
| Electricity & Electronics | Crank Up the Music! |
| Electricity & Electronics | How Do Different Materials React to Static Electricity? |
| Electricity & Electronics | How Does LED Brightness Vary with Current? |
| Electricity & Electronics | How Does Solar Cell Output Vary with Incident Light Intensity? |
| Electricity & Electronics | How Far Can Sparks Jump? |
| Electricity & Electronics | How Long Does It Take to Fry a Diode? |
| Electricity & Electronics | Induction: How Many Coil Turns Do I Need? |
| Electricity & Electronics | Linear vs. Logarithmic Changes: What Works Best for Human Senses? |
| Electricity & Electronics | Make Your Own Electric Guitar Pickup |
| Electricity & Electronics | Make Your Own Low-Power AM Radio Transmitter |
| Electricity & Electronics | Make Your Own Piezoelectric Pickup for Acoustic Guitar |
| Electricity & Electronics | Measure Your Magnetism |
| Electricity & Electronics | Pencil Resistors |
| Electricity & Electronics | Recording on a Wire |
| Electricity & Electronics | Rock On! Recording Digital Data with Magnets |
| Electricity & Electronics | Rock'n'Roll Radios (Updated Version) |
| Electricity & Electronics | Rubbing Up Against Static Electricity |
| Electricity & Electronics | Shaking Up Some Energy |
| Electricity & Electronics | Solar Speedway |
| Electricity & Electronics | Testing a Parabolic Reflector with Light from an LED |
| Electricity & Electronics | The Strength of an Electromagnet |
| Electricity & Electronics | Two-Point and Four-Point Methods for Measuring Small Resistances |
| Electricity & Electronics | Veggie Power! Making Batteries from Fruits and Vegetables |
| Electricity & Electronics | Where Is 'Full Sun' No Brighter than Twilight? |
| Electricity & Electronics | Where There Is Charge, There Can Be Sparks! |
| Electricity & Electronics | Which Materials are the Best Conductors? |
| Energy & Power | The Future of LEDs Is So Bright, I've Got to Wear Shades |
| Environmental Engineering | Alternative Sources for Paper Fiber |
| Environmental Engineering | Can the Color of Your House Reduce Your Energy Bill? |
| Environmental Engineering | Free Lunch? Can Solar Energy Systems Pay for Themselves with Utility Bill Savings? |
| 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 | How Can Your Faucet Save Water? |
| Environmental Engineering | How Much Can Plug-in Hybrid Vehicles Reduce Greenhouse Gas Emissions? |
| Environmental Engineering | Now You're Cooking! |
| 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 Science | Acid Rain and Aquatic Life |
| Environmental Science | Air Particles and Air Quality |
| Environmental Science | Are There Bugs Under Your Feet? |
| Environmental Science | Are There Dangerous Levels of Lead in Local Soil? |
| Environmental Science | Feeding Earthworms: Do Different Diets Affect Them and the Soil They Enrich? |
| Environmental Science | Get Down and Dirty: How Does Soil Change with Depth? |
| Environmental Science | Getting Carried Away: Measuring Soil Erosion |
| Environmental Science | Heavy Metals and Aquatic Environments |
| Environmental Science | How Does Soil Affect the pH of Water? |
| Environmental Science | I'm Trying to Breathe Here! Dissolved Oxygen vs. Temperature |
| Environmental Science | It's Raining, It's Pouring: Chemical Analysis of Rainwater |
| Environmental Science | Mapping Troposhperic Ozone Levels Over Time |
| Environmental Science | Recycling Greywater: Can Plants Tolerate It? |
| Environmental Science | Something's Fishy About That Fertilizer |
| Environmental Science | The Big Dig |
| Environmental Science | The Receding Night: The Effect of Artificial Light on the Migration Pattern of Daphnia |
| Environmental Science | What Electric Bills Can Tell You About Energy Use |
| Genomics | Are Fingerprint Patterns Inherited? |
| Genomics | Bioinformatics – The Perfect Marriage of Computer Science & Medicine |
| Genomics | BLASTing Flu Viruses |
| Genomics | Computational Exploration of Protein Function |
| Genomics | How Much DNA Can You Pack into a Cell? |
| Genomics | Investigate Native Plant Evolution with Chloroplast Sequencing |
| Genomics | Learning Your A, G, C's (and T, too) |
| Genomics | Pedigree Analysis: A Family Tree of Traits |
| Genomics | The Cancer Genome Anatomy Project |
| Genomics | The Tree of Life – II (advanced) |
| Genomics | The Tree of Life – I (basic) |
| Genomics | Which Animals Have Genome Projects? |
| Genomics | Who Has the Biggest Genome? |
| Geology | A Ground-Breaking Revelation: Testing Compression Waves in Various Circumstances |
| Geology | Beach Bum Science: Compression of Wet Sand |
| Geology | Factors that Affect the Transfer of Force through Saturated Soil |
| Geology | Get Some Practice at 'Fossil' Reconstruction with Owl Pellets |
| Geology | Growing a Soil Menagerie |
| Geology | How Fast Do Seismic Waves Travel? |
| Geology | Is There a Whole Lot of Shaking Going On? Make Your Own Seismograph and Find Out! |
| 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 | 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 | Soil Color and Moisture |
| Geology | Soil Compaction |
| Geology | Sorting out Sedimentation |
| Geology | Under Pressure: Sand Under Lateral Compression |
| Geology | Underground Water Flow and Darcy's Law |
| Human Behavior | Apparent Motion & Animation |
| Human Behavior | Calling It Quits: What Is the Most Effective Way to Quit Smoking? |
| Human Behavior | Candy Confusion: Can Small Children Mistake Medicine for Candy? |
| Human Behavior | Correlation Between Relative Pitch and Age, Gender, or Musical Background |
| Human Behavior | Do Preferences Bias Our Choices? |
| Human Behavior | Do the Eyes Have It? |
| Human Behavior | Does a Cell-Phone Conversation Affect Reaction Time? |
| Human Behavior | Fear Factor: Using Pulse Rate to Measure Emotion |
| Human Behavior | Get the Scoop on Stroop |
| Human Behavior | Honesty: How Prevalent Is It? |
| Human Behavior | How Many Numbers Can You Remember? |
| Human Behavior | Interpreting Area Data from Maps vs. Graphs: An Experiment in Visual Perception |
| Human Behavior | Measuring Your Taste Threshold |
| Human Behavior | Measuring Your Threshold of Hearing for Sounds of Different Pitches |
| Human Behavior | Mixing Light to Make Colors |
| 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 | Shaping Your Thoughts? |
| Human Behavior | Testing for Bias in a Photo Lineup |
| Human Behavior | Testing the Accuracy of Eyewitness Testimony |
| Human Behavior | The Bouba-Kiki Effect |
| Human Behavior | The Brains Behind 'Where's Waldo?' |
| Human Behavior | The Nose Knows Smell but How About Taste? |
| Human Behavior | Twirls, Whirls, Spins, & Turns: The Science & Reflexes of Dizziness |
| Human Behavior | Warped Words and the Stroop Effect |
| Human Behavior | What Conflicting Mental Tasks Reveal About Thinking: The Stroop Effect |
| Human Behavior | What's the Best Method to Communicate Data Graphically?: An Experiment in Visual Perception |
| Mammalian Biology | Are You Left or Right Sided? |
| Mammalian Biology | Breath of Life: Does Exercise Increase Vital Capacity? |
| Mammalian Biology | Do String Players Have Longer Left Fingers? |
| 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 | Ewww, Dog Breath! Does Active Play Take Your Dog's Breath Away? |
| Mammalian Biology | Heart Rate Recovery Times |
| Mammalian Biology | How Food Supplements Affect Weight Gain of Juvenile Mice |
| Mammalian Biology | Is That Cat Fat? |
| Mammalian Biology | Paw Preference in Pets |
| 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 | Tail Wagging and Brain Lateralization |
| Material Science | Are You Gellin'? ® |
| Material Science | Coke® & Mentos® - Nucleation Goes Nuclear! |
| Material Science | Fallen Arches: The Surprising Strength of Eggshells |
| Material Science | How Does Packaging Affect the Ripening of Fruit? |
| Material Science | Sand Structure: Measuring Density and Porosity of Sand |
| Material Science | Take the Sally Ride TOYchallenge |
| Material Science | The Leaning Tower of Pasta |
| Material Science | Wave Blockers |
| Materials Science | Are Laminates Stronger? |
| Materials Science | Bacterial Resistant Materials and the Best Disinfectant |
| Materials Science | Does Chemical Lightening Affect the Structure of Human Hair? |
| Materials Science | Getting Critical Over Colloids |
| Materials Science | Strength in Numbers? |
| Materials Science | Stressed Out? Take a Break with this Project! |
| Materials Science | The Viscosity of Motor Oil |
| Materials Science | What Material Makes the Most Resonant Soundboard? |
| Materials Science | Which Is the Better Insulation Material? |
| Materials Science | Which Metal Is the Most Resistant to Corrosion? |
| Microbiology | An Aerobic Exercise: Yeast Metabolism with and without Aeration |
| Microbiology | Death Rays: What Duration of Ultraviolet Exposure Kills Bacteria? |
| Microbiology | Do Different Dilutions of Disinfectants Affect the Development of Bacterial Resistance? |
| Microbiology | Germ Invasion |
| Microbiology | How Do Food Preservatives Affect the Growth of Microorganisms? |
| Microbiology | How Well Do Disinfectants Work? |
| Microbiology | Minimizing Bacteria in the Thawing and Cooking of Meat |
| Microbiology | Rise to the Occasion: Investigating Requirements for Yeast Fermentation |
| Microbiology | Spread the Soap, Not the Germs |
| Microbiology | The End Zone: Measuring Antimicrobial Effectiveness with Zones of Inhibition |
| Microbiology | Which Acne Medication Can Really Zap That Zit? |
| Microbiology | Yeast Reproduction in Sugar Substitutes |
| Microbiology | Yeasty Beasties |
| Microbiology | Yogurt Cultures |
| Ocean Sciences | Can Water Float on Water? |
| Ocean Sciences | Do Hurricanes Cool the Ocean? |
| Ocean Sciences | Do Warmer Seas Make Stronger Hurricanes? |
| Ocean Sciences | Harbor Porpoise Movement |
| Ocean Sciences | Harmful Algal Blooms in the Chesapeake Bay |
| Ocean Sciences | How Salty is the Sea? |
| Ocean Sciences | Hurricanes and Climate |
| Ocean Sciences | Primary Productivity and Plankton |
| Ocean Sciences | Timing the Tides |
| Ocean Sciences | Try This Eggsperiment to Measure the Density of Salt Water |
| Pharmacology / Toxicology | Caffeine and Heart Rate: A Pharmacological Study Using Daphnia magna |
| Pharmacology / Toxicology | Can Garlic Prevent Crown Gall? |
| Pharmacology / Toxicology | Using Daphnia to Monitor Water Toxicity |
| Pharmacology / Toxicology | What is the Most Effective Treatment for Whitefly Infestations on Plants? |
| Photography, Digital Photography & Video | Bit Depth, Colors and Digital Photos |
| Photography, Digital Photography & Video | Camera Lens Testing |
| Photography, Digital Photography & Video | Color Profiles |
| Photography, Digital Photography & Video | Color Saturation |
| 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 | Macro for Micro? |
| Photography, Digital Photography & Video | Measuring the Speed of Moving Objects with Stroboscopic Photography |
| Photography, Digital Photography & Video | Pinholes, Light and Aperture Size |
| Photography, Digital Photography & Video | Seeing Beyond the Visible: Photography with Near Infrared Illumination |
| Photography, Digital Photography & Video | The Golden Rules of Photography |
| Physics | A Battery That Makes Cents |
| Physics | A Magnifying Discovery |
| Physics | Balancing the Load: The See-Saw as a Simple Machine |
| Physics | Blowing Bottletops: Making Music with Glass Bottles |
| Physics | Build a Motorboat Powered by Surface Tension |
| Physics | Centripetal Force |
| Physics | Distance and Constant Acceleration |
| Physics | Distance and Speed of Rolling Objects Measured from Video Recordings |
| Physics | Do-Re-Mi with Straws |
| Physics | Don't You Fret! Standing Waves on a Guitar |
| Physics | Extreme Sounds: Lessons in a Noisy World |
| Physics | Forensics - A Science Fair Whodunit! |
| Physics | Frequency-Dependent Sound Absorption |
| Physics | Give It a Lift with a Lever |
| Physics | Going the Distance: Launch Angles & Projectile Trajectory |
| Physics | Guitar Fundamentals: Wavelength, Frequency, & Speed |
| Physics | How Does Color Affect Heating by Absorption of Light? |
| Physics | How the Strength of a Magnet Varies with Temperature |
| Physics | How to Make a Guitar Sing |
| Physics | How to Make a Piano Sing |
| Physics | Investigating the 'Mpemba Effect': Can Hot Water Freeze Faster than Cold Water? |
| Physics | Light Energy & Frequency |
| Physics | Magnets and Charge |
| 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 | Outer Space, The Silent Frontier: An Experiment on Sound Waves |
| Physics | Pick This Project! |
| Physics | Rainbow Fire |
| Physics | Roller Coaster Marbles: Converting Potential Energy to Kinetic Energy |
| Physics | Roller Coaster Marbles: How Much Height to Loop the Loop? |
| Physics | Simple Harmonic Motion in a Spring-Mass System |
| Physics | Singing Wine Glasses |
| Physics | Slip Sliding Away: Experimenting with Friction |
| Physics | Solid Motor Rocket Propulsion |
| Physics | Spare-Change Circus: Walking Coins on a (Vertical!) 'High Wire' |
| Physics | Supercooling Water and Snap Freezing |
| Physics | Swing Low: Investigate the Motion of a Pendulum |
| Physics | Technicolor Shadows: Lessons in Light and Color |
| Physics | The Joly Photometer: Measuring Light Intensity Using the Inverse Square Law |
| 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 Jello |
| Physics | What Goes Up, Must Come Down: Conduct Galileo's Famous Falling Objects Experiment |
| Physics | What is the Maximum Intermediate Height for a Siphon? |
| Physics | What's the Fastest Way to Cool a Soda? |
| 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 | Cryopreservation: Freezing Plant Tissues |
| Plant Biology | Do Potatoes Regulate the Formation of New Roots? |
| Plant Biology | Earthworm Castings -- The Ideal Proportion in Soil for Young Garden Plants |
| Plant Biology | Earthworms: Nature's Tiller? |
| Plant Biology | Gone With the Wind: An Experiment on Seed and Fruit Dispersal |
| Plant Biology | Growing, Growing, Gone! An Experiment on Nitrogen Fertilizers |
| Plant Biology | How Do Roots Grow When the Direction of Gravity Changes? |
| Plant Biology | How Many Seeds Do Different Types of Fruit Produce? |
| Plant Biology | Humic Acid and the Optimum Soil for Plants |
| Plant Biology | It's Crowded in Here! A Study of Plant Population Density |
| Plant Biology | Leaves and Light |
| 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 | Radiant Radish Seeds |
| 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 | Suck It Up: Capillary Action of Water in Plants |
| Plant Biology | The Effect of Hydrogen Peroxide on the Rooting of Plant Cuttings and Seed Germination |
| Plant Biology | What Color Are the Leaves Really Turning? |
| Pure Mathematics | Chain Reaction: Inversion and the Pappus Chain Theorem |
| 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 | Estimation and Population Size |
| Pure Mathematics | Exploring Fractals |
| Pure Mathematics | Frequency of Outcomes in a Small Number of Trials |
| Pure Mathematics | Gigantic, Invisible Triangles: Measuring Height (or Altitude) with an Inclinometer |
| 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 | Making Patterns with Rubik's Cube |
| Pure Mathematics | Measuring Up |
| Pure Mathematics | Pick a Card, Any Card |
| Pure Mathematics | Play-Doh Math |
| Pure Mathematics | Shape Changing with the CyberSquad |
| Pure Mathematics | Taking Off on a Tangent |
| Pure Mathematics | Tessellation: Tiling Patterns to Fill a Two-Dimensional Space |
| Pure Mathematics | The Birthday Paradox |
| Pure Mathematics | The Effects of Card Counting on a Simple Card Game |
| Pure Mathematics | Thinking in (Semi-)Circles: The Area of the Arbelos |
| Pure Mathematics | Throwing You Some Curves: Is Red or Blue Longer? |
| Pure Mathematics | Tiling with Spidrons |
| 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? |
| Sociology | Boys and Girls All Around the Town |
| Sociology | Decisions, Decisions: Judging a Book by Its Cover? |
| Sociology | How Do Fears Change with Age? |
| Sociology | Only If They Think They Can Get Away with It? |
| Sociology | Spending Habits: Tightwads vs. Spendthrifts |
| Sociology | Teachers Rule! |
| Sociology | Testing Behavioral Incentives |
| Sociology | Testing How Fashion Impacts the Behavior of Others Around Us |
| Sociology | The Case of Mistaken Identity |
| Sports Science | A Cure for Hooks and Slices? Asymmetric Dimple Patterns and Golf Ball Flight |
| 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 | Crossed Up: Does Crossed Hand/Eye Dominance Affect Basketball Shooting Percentage? |
| Sports Science | Golf Clubs, Loft Angle, and Distance |
| Sports Science | Heart Health: How Does Heart Rate Change with Exercise? |
| Sports Science | Jumping Distance |
| Sports Science | Keeping Up |
| Sports Science | Nothing But Net: The Science of Shooting Hoops |
| Sports Science | Power Kicks: The Physics of Martial Arts |
| Sports Science | Skateboard Extremes: Which Wheels are Best for Speed & Turns? |
| Sports Science | Take the Sally Ride TOYchallenge |
| Sports Science | Tee Time: How Does Tee Height Affect Driving Distance? |
| Sports Science | The Brain-Body Connection: Can Exercise Really Make Our Brains Work Better? |
| 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 | Follow the Bouncing Ball: A Web Animation Project |
| Video & Computer Games | Image Compression vs. Image Quality: Finding the Best Tradeoff |
| Video & Computer Games | Programming NANORGs in a Virtual World |
| Video & Computer Games | The Gaming Master |
| Weather & Atmosphere | Dry Spells, Wet Spells: How Common Are They? |
| Weather & Atmosphere | From Gas to Rust: Measuring the Oxygen Content of Air |
| Weather & Atmosphere | How Do Clouds Form? |
| 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 | Make a Hygrometer with Strands of Hair |
| Weather & Atmosphere | Make Your Own Psychrometer |
| Weather & Atmosphere | Predicting the Weather |
| 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 |
| Zoology | Animal Magnetism: Do Magnets Affect Regeneration in Planaria? |
| Zoology | Antlion Pits in Open Sand or Under Leaf Cover |
| Zoology | Bones and Calcium |
| Zoology | Can Copper Foil Snails? |
| Zoology | Do Milkweed Bugs Show a Color Preference for Egg-Laying Sites? |
| Zoology | Does Temperature Affect the Rate of Butterfly Development? |
| Zoology | Drawing Circles Around Ants |
| Zoology | Eeeeew! Maggot Mass Temperature |
| Zoology | Effects of Exercise: Changes in Carbon Dioxide Output |
| Zoology | Eggs and Hen's Diet: Can You Get Bigger Eggs for Peanuts? |
| Zoology | Finding Phyla |
| Zoology | Go and Stop? Ant Traffic Signals |
| Zoology | How Much Do Different Pet Species Eat Compared to Each Other? |
| Zoology | How Much Worm Is a Worm? |
| Zoology | M&M Survival Challenge |
| Zoology | Making Species Maps |
| Zoology | Testing Ant Repellents |
| Zoology | What Are You Blubbering About? |
| Zoology | What Is Home Sweet Home to a Bug? |
| Zoology | What Seeds Do Birds Prefer to Eat? |
| Zoology | Where Do Lizards Go for Lunch? |
| Zoology | Worm Hunt: Isolating Soil Nematodes from Your Backyard |