Projects, Lessons, Activities (Page 198)

Starry Science: Measuring Astronomical Distances using Parallax

STEM Activity

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Do you enjoy going stargazing on a warm night? Summer can be a great time to watch the stars as well as other celestial events, like the Perseids, which is an impressive meteor shower that happens each year from mid-July to late August. Did you know that ancient astronomers could actually measure the distance from Earth to faraway stars? How could they do this without modern technologies? In this activity you will find out by exploring the relationship between the distance of an object and the… Read more

Steamy Standing Time: How Food Size Impacts Carryover Cooking

Science Fair Project Idea

Scientific Method

"What? My food needs some standing time? How can food stand? I don't see any legs on those baked potatoes!" Whether you're using a traditional oven or a microwave, standing time is an important concept in cooking or baking. When you remove a food from an oven or a microwave, the food retains heat and continues to cook for several minutes after it has been removed from the heat source. This process of the food continuing to cook, using the retained heat in the food itself, is called carryover… Read more

Stick With It – Put Your Duct Tape To The Test!

STEM Activity

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You may have heard of the space shuttle Apollo 13, or seen the movie about the amazing survival of the ship’s crew after an explosion aboard the ship. What you may not know, is that duct tape helped save the lives of the Apollo 13 crew! NASA had to figure out a way to keep the 3 crew members alive in a tiny lunar module that was only meant to hold 2 people for 36 hours. They instructed the crew to build life-saving air filters using cardboard, plastic bags, space suit parts and –… Read more

Stop Slumping: What Makes Foams Stand Up Straight

Science Fair Project Idea

Scientific Method

Here's a riddle for you: What would a latté be without a froth of bubbly milk on top? Answer: Black coffee! And how about a pumpkin pie without the whipped cream? Answer: Sad. Delicious, edible foams are everywhere, from sodas, meringues, and soufflés to mousses and whipped creams. They provide a delicious, spongy contrast to the foods they accompany, and their airiness releases aromas that enhance the eating experience. So, what makes a good foam? One with high volume and lots of… Read more

Stopping Superbugs!

Lesson Plan Grade: 6th-8th

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If your doctor prescribes antibiotics, why do you have to take them for several days and not just once? Why do you need to finish taking them even if you feel better? If you do not follow the doctor's orders, you might contribute to the creation of antibiotic-resistant "superbugs"! In this lesson, your students will roll dice to model how bacteria respond to treatment by antibiotics, and find out what happens if treatment is stopped too early. Read more

NGSS Performance Expectations:

MS-LS4-4. Construct an explanation based on evidence that describes how genetic variations of traits in a population increase some individuals' probability of surviving and reproducing in a specific environment.
MS-LS4-6. Use mathematical representations to support explanations of how natural selection may lead to increases and decreases of specific traits in populations over time.

Storytelling Alice: Once Upon a Time in a Computer-generated Land...

Science Fair Project Idea

Scientific Method

The Incredibles, Ratatouille, Up. What do these Pixar films have in common? They are all computer-animated films. While the writers and directors came up with the compelling stories and the kinds of scenes that would best tell the stories, the computer animation experts brought the films to life. In this computer science project, you will easily be able to create your own animated story using a simple computer programming environment called Storytelling Alice. To create your animation, you will… Read more

Strength of Different Construction Materials

Science Fair Project Idea

Scientific Method

There are many types of construction materials used for wood-frame houses. Compare the different uses for and strengths of different building materials, e.g.: particle board, plywood, pine, oriented strand board (OSB), and drywall (gypsum board, SheetRock). The Science Buddies Materials Science Resource Stress, Strength and Strain will be helpful for learning about different ways to measure material strength. You should be sure to use the same cross-sectional area of each material in order… Read more

Strength of Glues

Science Fair Project Idea

Scientific Method

Try gluing wood together with different types of glue, e.g.: regular white glue, yellow wood glue, cyanoacrylate (super glue), and Liquid Nails. Glue a short piece (5-8 cm) to the center of a longer piece (15-30 cm). After the glue has dried for the recommended time, drill a small hole through the center of the joint, big enough to pass through a piece of coat-hanger wire. Cut a length of coat hanger wire, pass it through the hole, and twist the ends together to form a loop. Place the ends… Read more

Study Bottle Rocket Performance with Electronic Sensors

Science Fair Project Idea

Scientific Method

Rocket design and operation is a fascinating field and analyzing the flight path provides insight into the rocket's performance. In this project, you will take measurements of the flight path to evaluate how a change in the rocket design or launch procedure impacts the rocket's performance. Initially, while the bottle rocket expels water (or the rocket expels exhaust), the rocket gets a boost. This push is referred to as thrust and projects the rocket forward. Earth's gravity pulls the rocket… Read more

Study Skills Science: Investigating Memory Mnemonics

STEM Activity

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Have you ever needed to remember a long list of words, such as a shopping list or the state capitals? Even if a list can be full of interesting facts, it can still be hard to remember. But there are some memory techniques that can help a person to remember a list better. In this science activity, you’ll try out a technique called mnemonics and investigate whether using mnemonics can help you and your friends, or family members, remember lists of words. Read more

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