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Did you know a mouse eats almost fifty times as much as a cow? Find out how and test out the strange science with your friends!

Sure, you already know that water is made up of hydrogen and oxygen, but did you know that oxygen levels differ in different types of water?

Science fair project which evaluates different athletic shoes in order to find out whether any of them affect a person's ability to run.

The goal of this evaporation experiment is to learn about how different external conditions affect drying time.

Science fair project which uses coins flips to visually demonstrate the probability of an event and how to express it.

Science fair project that evaluates how well clothing fabrics block UV radiation by examining the properties of different fabrics.

Can you plant the insect-attracting borage plant to increase the amount of beneficial insects in your garden? Find out in this experiment!

This easy and inexpensive paper towel science project introduces kids to important physical concepts like cohesion, adhesion, and capillarity.

What causes dilated pupils? Young scientists will find out by applying what they already know about changes in pupil size and making models of the pupil.

Boiling water in a paper cup is possible because of convection and the thermal properties of water and paper. Learn how with this fun science fair project idea.

In this science fair project, students use hot and cold water to simulate what happens when a warm front meets a cold one.

Check out this hot project idea to culture bacteria and determine if the claims about the anti-bacterial properties of curry and cinnamon are true.

Check out this cool science project idea to explore the differences in feeding behaviors of birds and if other species of birds also have color preferences.

This science project is to discover which Black Walnut tree tissue contains the most concentrated amount of Juglone, a substance that works like an herbicide.

This science fair project idea discovers the effect of (high) heat on animal cells.

Examine whether distilled water, spring water, or regular tap water yield faster plant growth.

The objective of this science fair project is to determine the rate at which participants can respond to different patterns.

The objective of this science project is to determine whether a sweet tooth is most likely an inherited trait or a learned behavior.

How well can people recall what they have observed. Test your knowledge in this fun experiment.

Would your dog prefer homemade or store-bought food? Raw or cooked? Test your dog's preferred diet in this fun experiment.

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

The goal of this middle school science fair project is to examine the effect of caffeine on plant growth.

Science fair project which determines whether your current calorie intake will cause you to lose or gain weight over time.

This science fair project explores different types of endangered frogs, and why some are endangered while others are not.

Observe corn seed germination to learn about dicots and monocots and how plants grow from seeds to seedlings to full-grown plants!

In this pinto bean germination experiment, you'll learn about how fertilizer aids in growing pinto beans into seedlings.

Learn how to use the Punnett Square to predict the gene combinations of dominant and recessive traits in this fun and easy genetics science project!

In this free science fair project idea, kids will conduct an easy electrolysis of water experiment to test solutions of salt, baking soda, tap water, and more.

Explore the wave-particle duality of light! Learn how light can behave as both a wave and a particle in this cool physics science fair project idea for kids.

Kids learn how fiber optics work with a dramatic total internal reflection experiment using a fish tank, water, and a laser pointer.