In this science fair project, you'll make a "ghost" appear in a test tube, and learn about what happens when hot water and cold water interact.

Is it possible to trick the forces of nature that make your bubbles round to create a square bubble?

For this science fair project, kids will learn how to make a lemon battery. They can conduct this classic experiment using readily available materials.

In this experiment, your child will create two compost bins and see if he can determine what attracts fruit flies.