In this activity, students will be challenged to describe and count the ways a toy moves from one position on a grid to another.

Start your toy engines -- this is going to be a fast and friction-filled race!

Can you imagine a sky filled with bright, colorful bubbles? Make this whimsical scene come alive with bubble science!

Play Rock Tic-Tac-Toe, the perfect outdoor game for all ages. Help your child develop thinking skills and get away from the TV!

Use sticks and stones to create create an outdoor version of tic-tac-toe!

This plaster fossil activity is a fun supplement to preschool science. Use plaster to make imprints of your child's handprints, footprints and other objects!

Encourage your kindergartener to investigate and chronicle the weather she observes during the coldest months of the year.

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

This science fair project will help students learn about non-vascular plants, such as mosses.

Kids grow sunflower greens from seeds for a hands-on gardening experience in this kindergarten life science activity.

Help your kindergarten scientist explore an important part of earth science: how soil retains water.

Here's a science activity that lets a first grader use an empty dish detergent bottle to create his own fountain as he explores air pressure.

It's a rare kid who doesn't like a sandbox. Next time you're out digging, build in some earth science, too.

This easy Halloween-themed science experiment for first-graders is perfect for chilly October afternoons or great as a Halloween party activity.

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.

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

It's easy to plant your own in-home container garden! This planter contains pizza-themed herbs and is a perfect early gardening activity for kindergarteners.

Grow a garden with an environmentally-friendly twist by using plant scraps that usually get thrown away.

Can you dig it? This science experiment isn't for kids who like to keep their hands clean.

Here's a classic celery science experiment that uses celery and food coloring to demonstrate how plants absorb water.

Planning a beach vacation? Here's a cool nature craft you can make in the sand with your child.

Do you think you could walk around upside down -- with your feet in the air and your head on the ground?

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

Discover whether cold or hot water from the faucet will boil faster on the stove.

Jazz up your patio or backyard with hip and quirky planters made from simple Mason jars.

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 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.

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

Try this activity with your child to explore what happens to rain (and the living things that need it) when it becomes polluted.

Science fair project that examines the behavior of water and gravel in creek beds and the formation of sedimentary rocks.