This easy aerodynamics activity is a simple way to introduce kids to the scientific method.

In this project, you'll build a model of the earth, complete with all seven continents and four major oceans.

Find out whether a longer airplane will fly farther or a wider paper airplane.

This science fair project idea compares biodiversity between drops of water.

In this activity, your child will write stories about two different people. The stories will include similarities and differences in the ways each person lives in their communities.

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

This science fair project idea determines if the size of the parachute will change the rate at which an object falls.

This science fair project idea investigates how a bottom keel helps keep a boat from rocking back and forth.

Is it a bird? Is it Superman? No, it's your third grader's homemade miniature plane zooming across the room on a zip line.

Will increasing the amount of salt in water effect how slow or fast the water freezes?

Using an empty tennis ball can and a swimming pool, you will determine if it's possible to have a conversation under water.

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

Science fair project which determines if plants really do need water to grow, or whether they just need to be kept wet.