Find out whether packaged seeds actually do expire in this new science fair project idea.

Science fair project which tests various sedimentary, igneous and metamorphic rocks to find out whether one rock family is stronger than the others.

Marshmallows are made of sugar, water, and air pockets. Since the marshmallow is flexible, will air pressure cause it to expand when heated in a microwave?

In this science fair projects, students will grow out the bacteria that collect on air conditioner filters.

Grow potatoes in a plastic bag—easy to grow and harvest, and yummy to eat!

Crystals are a very special structure. In this third grade activity, your child will learn how to grow salt crystals.

Find out whether cast iron or regular teflon pans heat up faster and also retain their heat longer.

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

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.