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

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.

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.

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.

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

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.

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

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.

Help your kids fall in love with nature by making a simple clay bird bath. Set it up in your yard and watch the animals venture in for a sip of water.

In this project children practice the scientific method while playing with puffy paint.

Give your science savvy kindergarten a lesson in plant science with this fun carnation experiment.

In this science fair project, students learn how pressure can make the minerals in a rock line up in the same direction and form bands and foliation.

This is a fun way to introduce kids to the concept of volume, and give them a quick hands-on activity to boot.

Here's a simple and fun kindergarten or first grade gardening activity: grow a miniature container garden in a paper egg carton. Great for kinesthetic learners.

In this air pressure science experiment with a balloon and a jar, children will use heat to create a partial vacuum and suck a balloon into a jar.