Do this experiment to help your first grader understand how salt can be removed from salt water. All it takes are a few household materials.

In this project students experiment with making music using only glasses of water.

Help your child celebrate the summer and the sun by making a sandy seascape.

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 compares biodiversity between drops of water.

Help your first grader explore the world of scientific measurement by "weighing" fruit with a "water scale"!

Teach your child about using pumps to move water in this simple and educational preschool science activity!

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

Make edible amber fossils with your second grader to explore the fascinating world of science!

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 interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

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

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

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!

This science fair project idea develops an understanding through experimentation of which shapes are the most structurally strong.

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

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

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.

Science fair project about work and energy which uses a simple mathematical formula to predict how far a jar will roll down an incline.

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

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

Find out which kind of bubble wrap fares best when put in impact.

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.