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Check out this cool science fair project idea that models the behavior of the cold desert plants: xerophytes and halophytes.

In this activity, your child will be challenged to use simple materials to create a catapult for a small, lightweight toy.

This science fair project idea explores whether it is easier to balance on a narrow ledge or on a rope.

In this fun design challenge, your child will get creative with making structures out of toothpicks and gumdrop candies.

Science fair project that examines albedo, and how this information is applied in the design of cars, sportswear, and other items. Which colors reflect light?

Would it hurt to skip brushing your teeth just this once? Let's find out by seeing which foods produce the most mouth bacteria.

This science fair project idea determines if the temperature of rubber effects how high it bounces.

Test out the pH levels of soil in your backyard versus soil in more wild environments to solve this science case.

Science fair project that teaches you about chemical indicators and how to make your own in order to identify various mystery solutions.

This science fair project idea highlights decomposition rates by comparing how long it takes an item to decompose in a compost pile vs. a landfill.

What is topography? Kids find out by learning to make and read a topographic map in this awesome science fair project idea.

This science fair project idea explores the different properties & interactions of sugar molecules.

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

This science fair project uses paper chromatography to investigate whether black, brown, orange, and purple are pure colors or mixtures of other colors.

Kids discover what a homogeneous mixture is by adding sugar to distilled water and identify the various factors affecting solubility.

This cool and easy elementary school science fair project idea provides the basic information on the use of our senses to experience the world about us.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

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.

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