This science fair project idea provides evidence that air is everywhere and takes up space.

This science fair project idea creates a sedimentary rock and to investigate what takes place during the rock cycle.

In this activity, your child will be challenged to create a device that protects an egg when it is dropped from a height of about 10 feet.

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

Popsicles aren't just for the summertime, this activity takes cold and turns it into a creative and tasty science experiment.

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.

This science fair project idea investigates the difference in reaction times between boys and girls.

Discover whether a metal will expand under hot water.

An hour glass, also known as a sand clock, keeps time. In this activity, your child will make her own sand clock and measure the time it keeps.

In this fun science fair project idea, kids will experiment with various methods in order to discover the fastest way to cool a soda.

Learn all about balance and motion as your child designs a corn maze!

Have you ever seen fruit decay? Find out if a fruit will rot faster if you open it versus leaving it untouched!

Learn how to make an anemometer with step-by-step instructions in this cool science fair project idea for 4th grade.

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

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

Help your child experiment with the combination of acid and baking soda by making these homemade bath bombs!

Do you think you can blow down a sand castle with a mighty wind? Find out which material stands up best to erosion in this erosion experiment.

Learn whether writing things down really makes things easier to remember.

Step into the fantastic world of colors with a project that explores what shade you -- and your friends -- like best.

The objective of this science fair project idea is to determine if sound travels best through the air, water or a solid.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

Is it amplitude? Weight? Length of string? Kids will discover what factors changing the period of a pendulum depends on in this fun and easy physics experiment.

An home science experiment for older students that teaches about the science behind heat.

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

Kids will make predictions about cricket behavior by conducting this fun and easy experiment which simulates different environments for crickets.

Discover whether cold or hot water from the faucet will boil faster on the stove.

This science project idea examines the effect of microwaving on various objects.

Is it a square or a circle? See if you can trick your friends with this zany science project!

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

This science fair project teaches kids experimental design and how to test if subjects can really sense if they are being watched.