This science fair project idea determines which method of hand cleansing is the most effective.

What's the science behind those out-of-sight roots? Find out if you can trick roots into growing in different directions.

This science fair project teaches students the differences between fruits and vegetables.

There are many benefits to bugs and insects. This science project shows how cockroaches, termites, and other critters benefit our planet.

This science fair project idea investigates how optical distances change the apparent size of an object as seen through a magnifying lens.

This science fair project idea investigates if fats add to the flavor of food.

This science fair project examines how seeds hitchhike on animals and clothing.

This science fair project teaches students about wilting and browning of salad greens.

Science fair project which determines whether the size or the thickness of a piece of paper has an effect on how many times it can be folded in half.

Science fair project that determines whether cooling eggs helps them be peeled more easily. Compare the time it took to peel each egg.

In this project, build an insect model that shows how the head, thorax, and abdomen fit together! Learn insect anatomy by constructing a paper mache critter.

Ever wondered how a plant drinks water? This science project will teach you how and help you create a beautiful floral display!

Science fair project idea that examines different physical characteristics of a chosen animal. Make educated guesses about evolution based on animal's form.

This science fair project teaches about mold. Students will test different foods to see which grow mold the fastest.

Science fair project that demonstrates the effect of detergent pollution on fresh water birds' ability to stay afloat.

Stories change as you retell them. The objective of this science fair project is to demonstrate how information gets interpreted, distorted and changed.

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.

Before you get ready for a delicious scramble or omelet, add a bit of science to your morning routine!

Kids will build a turtle habitat in order to observe the climate preferences of this cold-blooded reptile.

In this fun science experiment, kids will determine the best method for ripening avocados and discover the cool chemical reaction that makes this possible.

Take a closer look at your furry friend (or the furry friend of a neighbor -- with permission) to discover if communication exists between cats and humans.

Kids will learn how to make a thermometer to to explore liquid density in this great science fair project. Which liquids are affected by temperature the most?

Start your toy engines -- this is going to be a fast and friction-filled race!

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

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

What is a wedge? Kids find out by experimenting with different wedges in this simple science fair project idea.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

Find the North Star, and measure your latitude! The purpose of this science fair project is to find latitude and learn about geographic locations.

Milk is made of water and fat; but how can you separate the two? Find out in this color changing milk experiment.