In this experiment you will evaluate whether praise improves athletic performance.

This science fair project idea determines exactly how much of an effect road grade has upon a cyclistâs speed.

This project investigates the affect of storage temperature on microwave popcorn.

Science fair project that uses iodine solution to demonstrate how starch is turned into sugar when it is chewed in the mouth.

With Halloween right around the corner, find a way to use your brain and reward your tummy with a new type of science -- candy science!

Experiment about connection of senses of taste and smell. Using blindfold and noseplugs, administer blind taste test. Analyze results and organize data.

This science project teaches young students about germs, bacteria, and the importance of washing their hands. Students will test what is the best way to wash.

Learn about the layers of the Earth and make a model! Create a earth layer book, cake, or clay diagram.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

In this cool elementary school science fair project idea make a model to learn what happens to the Earth's surface when ice moves over land.

This fun and easy middle school science fair project idea explores the topic of pollution and demonstrates if polluted soil affect the growth of green plants.

Science fair project which teaches you how to make your own homemade glue by combing curdled milk with baking soda.

The objective of this experiment is to evaluate the effects of acid rain on plants.

This science fair project idea shows how a vibrating object transfers energy to whatever it touches.

Can you stain teeth with tea, coffee, or coke? Explore how in this science fair project idea.

This project concerns activity happening millions of miles away, on the sun.

Study history of aerodynamics of arrow design to create a perfect arrow. Test arrows by shooting at an archery target.

This science fair project idea explores if objects dropped from a high distance will equal a greater impact force than the object dropped from a low distance.

The goal of this science fair experiment is to demonstrate the effects of air pressure on objects and analyze applications of air pressure principles.

Learn how the focal length of a lens affects a magnifying glass's magnifying power in this cool science fair project idea for 8th grade.

Use chemical analysis to identify a variety of mystery powders that look the same but actually have very different properties.

The purpose of this science fair experiment is to investigate whether the color of your hair affects how much static electricity is carried.

This science experiment has students test whether a snail moves faster on concrete or dirt.

In this science fair project, students evaluate if astrological signs provide clues about people's personalities.

This project compares different liquids and the freezing, melting and boiling points of liquids.

The objective of this experiment is to evaluate whether funny advertisements are more or less effective than serious advertisements.

Science fair project that tests how well various sunscreens protect skin from the sunâs ultraviolet radiation by measuring their effect on sun-sensitive paper.

This project investigates whether chewing gum can help a majority of people with focus and concentration.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

How do crystals form? In this science fair project, students will use three different saturated solutions to see how different minerals form crystals over time.