Here's a fun activity that will introduce your fourth grader to the concept of frictionless motion by constructing a hovercraft.

How do organic materials become soil? This science experiment measures what materials biodegrade.

Bring the fun of gardening indoors! By stuffing a simple pair of pantyhose with a few grass seeds on top, your child can grow her very own plant pet.

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.

What chromosome combinations determine a fetus gender? Use probability to think about whether a sperm and ovum will create a male or female in this project.

In this science fair project, students examine under what conditions individual plants release seeds and how far the seeds are released.

This science fair project idea demonstrates how air resistance contributes to denser objects falling faster than less dense objects.

Does dough rise faster with unbleached or bleached flour? Investigate in this science fair project idea.

This experiment has students record rat behavior to learn about the benefits of rats and research rat myths throughout history.

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

Science fair project that develops latent fingerprints on a non-porous objects by converting superglue from a solid state to a gaseous state.

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