Help your kindergarten or first grade child use his creativity to make a beautiful magnetic patterned structure while discovering the wonders of magnets.

In this 3rd grade science activity, you'll experiment with the little-known fourth state of matter: polymers! Mix borax with white glue and watch what happens.

What do ants eat? Kids find out by observing a colony of ants in this cool zoology science fair project for 4th grade.

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

For your budding first grade scientist, all you need is some simple, natural materials to create an amazing ant farm. Here's how to get started.

Water can go from solid to liquid to gas...but how does popcorn go from kernel to snack? Invite your first grade scientist to find out.

Check out this fun science fair project idea for 1st grade: a solar eclipse model that demonstrates total, partial, and annular solar eclipses.

Your 1st grade scientist will improve her observation skills as she's encouraged to eat healthy by comparing the dry and fresh fruit in this experiment.

Here's a fun activity to help build thinking skills in young first grade scientists, and to encourage them to have a blast exploring the mass and volume.

The next time you've got a restless second grade earth scientist on your hands, use this experiment to demonstrate crystals and make a tasty treat, too!

Forget store-bought dyes this Easter: color your Easter eggs with natural dyes made with ingredients from your own kitchen in this 1st grade activity.

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!

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.