This science fair project compares the allelopathic affects of juglone, a chemical agent produced by the Black Walnut tree, on two plants.

Why do ants like sugar? Do ants like artificial sweeteners too? Kids find out with this great inquiry-based science fair project.

In this fun science project, learn about what happens to cut fruit and experiment with how to stop apples from turning brown.

This science fair project teaches you about what makes persimmons so tart and how astringency can be removed by studying the effect of tannins on fruit.

Students explore hot desert plant adaptations in this cool science fair project by observing how these organisms prevent excessive transpiration.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

In this Bernoulli's Principle experiment, you'll learn how an increase in the speed of a fluid, like air, decreases pressure.

In this science fair project, learn how to make gears and find out why they transmit torques in predictable ways.

What does a raindrop look like when it splashes on the ground? Is each raindrop unique like snowflakes? Find out how raindrop size varies in this experiment.

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

The purpose of this science fair project is to determine which conditions and materials quicken the composting process to make the best compost.

In this design challenge, your child will create a parachute for a small toy using typical household items.

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

Is horse manure a possible energy source in a crisis? Use calorimetry to find out how much energy horse manure can produce in this science fair project.

Check out this cool science fair project on identifying rocks and minerals for kids.

Check out this cool science fair project idea to explore which other common animals besides scorpions glow under a UV Black light.

Get this cool science fair idea to explore how arctic tundra animals change their behavior and adapt to survive in long, cold winters.

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

This science fair project focuses on the use of the enzyme amylase found in human saliva to break down starch into sugar.

Kids build a desert food chain, desert food web, and desert food pyramid in this cool science fair project to learn about trophic levels and consumers.