In this science fair project, young children discover what happens when two fluids that have different densities get together.

In this sound experiment children listen for differences as they tap on a bag of air, a bag of water, and a wooden block held up to their ears.

Using a toy race car kids create a visual model of the Doppler Effect.

This science fair project introduces children to static electricity and the idea that electricity is more than lights and plugs.

Check out this silly game that will put your kid's animal habitat knowledge (and acting skills) to the test.

Learn how to grow an avocado plant indoors with your 1st grader in this hands-on gardening activity.

In this science fair experiment, children demonstrate the relationship between the amount of stuff and the amount of pressure in a closed system.

How do we know that air exists when we can't see it, taste it, or touch it? Here's a classic experiment that will teach your kid some basics of aerodynamics!

Here's a pressed leaf card project that puts science and writing together for your second grader.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

This project demonstrates the correspondence between the volume of water displaced by a submerged object and the volume of the object displacing it.

Magic, science, or household cleanser? Let your second grader decide with this practical, nontoxic chemistry experiment with acids and bases.

How does a kazoo, the strings of a guitar, or the speaker of a radio make sound? The purpose of this science fair project is to show how vibration makes sound.

Children are imaginative story-builders. Create a shoebox habitat with your child to put those budding creative instincts to good use.

Let your second grader pay homage to an ancient Olympic tradition with this modern day Olympic wreath!

Your second grader will love this simple soda bottle race car activity. Make a ramp and customize your car for an entertaining way to learn scientific concepts.

Here's an easy experiment that lets your first grader practice the scientific method, while watching a caterpillar eat.