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Which public places harbor the most bacteria and germs? Test different environments to find out where the most bacteria live in this science project.

Kids will love making sugar crystals in this sugar crystal science fair project which teaches important chemistry concepts like saturation and solubility.

Study the anatomy of the brain and the functions of the corpus callosum. Research split brain surgery and its impact on advances in neuroscience.

In this fun project, use a memory game to test various age groups and determine whether aging directly affects short-term memory loss.

People have favorite flavors, but what about ants? Which ant food is the most popular?

This science experiment examines the role of fat in food, especially in making bread rise and whipping cream.

Study the physical and chemical changes that make hair curl or straighten. Study ingredients, function of chemicals like thioglycolic acid.

What is elasticity? Students will investigate how this concept applies to bouncing ball physics by testing the bounces of balls made out of different materials.

This baseball science fair project explores the concept of an object's center of percussion to determine if the "sweet spot" has a scientific basis.

Check out this free high school science fair project to explore the physics of the Coriolis effect with a homemade Foucault Pendulum.

Check out this cool science fair project idea to explore short and long term memory and whether there is gender differences in memory.

Get a fun high school physics science fair project idea one of the states of matter called plasma and the applications of this unique coil.

Discover how to make fake snot with this cool science fair project idea to learn about polymers, enzymes, and more.

Learn how starch and carbohydrates interact with different solvents in this fun and easy packing peanut science fair project.

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

Help your child get a grasp on what it was like to build gigantic ancient structures with this easy engineering activity about science and physics.

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

Let your young scientist explore a brave new world of sound with an experiment that just requires a handful of common household items.

How do cold packs work? Explore endothermic reactions by comparing the temperature change that results from various chemicals added to water to find out!

Is your child a young ornithologist in the making?

Science fair project that demonstrates how a rainbow forms, by using water to split white light into its many colors.

Science fair project which identifies the most effective insulator that you could use to make a winter coat by comparing how well cloth and cotton trap heat.

Tired of gum with flavor that lasts for just a couple of minute? Put gum to the test with this chewy science experiment!

Introduce your child to the wonders of colorful chemistry with this simple food coloring project.

Would you be able to tell the difference between colored contacts and natural eyes from a normal distance? Find out in this science fair project!

Look at people's face shape. Do you think their face shape affects your perception of kindness? Find out more in this science fair project idea!

Observe if dissolved aspirin will help plants grow healthier and faster in this science fair project idea.

Learn about the greenhouse effect- and get great science fair experiment ideas. Read more.

Your child will do a fun science experiment using soap and pepper flakes to help understand the concepts of water molecules and the surface tension of water.

In this science fair project, students investigate the applicability of Benford's Law to many sets of everyday data.