Use dirt and different colors of craft sand to make unique layers in a clear plastic cup to represent the layers of the Earth.

Blend science and math to explore a very important first grade social studies question: does our planet contain more land or more water?

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

Can't make it to the beach? Bring the science of ocean waves home with this fun earth science-related craft.

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

Try this simple 2nd grade science experiment to teach your child about the principles of luminosity and light reflection.

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

Creating a home for a toad is an easy and fun project for kids. Here's how to make your very own toad abode.

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

In this activity, children will let their imagination run wild as they design and build a new planet in the solar system.

Kids are sure to be entranced by the magic of the ocean when they create their very own ocean in a bottle.

With some cookie dough and ordinary household objects, let your kindergartener explore how fossil imprints are made.

Is our water polluted? Help your young scientist understand the importance of taking care of the environment with this simple experiment.

Has your child ever played weatherman? Try this science activity that lets kids try their hands at observing and predicting the weather.

The rock cycle will come alive for your child when he uses broken crayons to create the three basic rock types.

Learn about nature by making your own mini moss garden.

Take a closer look at the soil that surrounds us, and give your child a lesson in Geology 101!

What's a crater, and how does it happen? Here's a kindergarten experiment with safe, nontoxic ingredients.

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

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

Enjoy those warm spring and summer nights with your child while teaching some basic astronomy at the same time.

Create a habitat for a butterfly right in your own backyard, and build your first grader's science knowledge while you're at it.

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.