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Slime: It's oozy, it's goopy, and it's just plain fun! Learn how to make slime with this fun science fair project.

This experiment explores how microwave radiation affects fungi, bacteria, and plant life.

This science fair project explains the process of how the lungs expand and contract with the help of the diaphragm.

What happens when "coffee-addicts" miss coffee for 1 day? Find out in this science fair project idea!

In this physics project, you'll learn how to find the maximum height of a projectile using some math and trigonometry.

This is a fantastic and easy science experiment where kids will learn about elasticity by testing how high bouncy balls of different materials can bounce.

In this science fair project, students test how objects float and sink in liquids of different densities.

How does rust form? Kids will learn about the roles oxygen, water, and electrons play in rust chemistry in this cool science fair project idea.

Want to reuse materials that would otherwise get tossed in the trash? Show your third grader how to get crafty with old newspaper and fabric.

Help your 4th grader learn how to make a topographic map and strengthen key grade level social studies and math skills in the process.

In this science experiment, your child will test the strength of hollow structures in order to understand how strong bird bones really are.

Learn how to make a trick-or-treat bag for Halloween. See how to make a decorative trick-or-treat bag with this Halloween craft tutorial.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Explore how dielectric heating comes into play when microwaving various liquids in this science project. This test will help you understand how microwaves work!

Learn how to grow an avocado plant indoors with your 1st grader in this hands-on gardening activity.

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

This experiment explores how listening in to a one-sided conversation affects concentration.

Help your third grader practice his writing skills and learn to operate household appliances like the washing machine or DVR with this Family How-to guide!

Show your fourth grader how to embrace a green lifestyle and enjoy the outdoors with a homemade, recycled picnic basket.

Challenge your high school student to find the flaw in this short mathematical proof that one is equal to two.

How do search engines work? What makes various search engines different? This project delves into the world of web crawlers, caching, indexing and algorithms.

This experiment evaluates if people have an accurate perception of how much personal time they spend interacting with technology.

How does dishwashing liquid work? Kids discover the chemical mechanism behind cleansing power in this easy science fair project idea.

Explore how sound waves are reflected and absorbed by producing echoes. Analyze which locations produce echoes.

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

Looking for way to help Japan? Start by making paper cranes! Learn how you and your child can show your support for Japan through the art of origami.

This classic children's game demonstrates how sound travels through air vs. through a solid.

It's not actually that hard to get energy from garbage! Kids learn how to make biogas in the form of methane with this cool and easy science fair project idea.

Learn how to make a hygrometer to measure relative humidity in this project. Make a sling psychrometer hygrometer with gauze, thermometers, and a bottle.

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