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.

Your child can use leaves and grass to create his own outdoor art in celebration of Earth Day...all he needs are is the great outdoors and some creativity!

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

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

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.

Recreate the fantastic phenomena of solar eclipses with your child using just a flashlight, a quarter, and her very own face!

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

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.

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.

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

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

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

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

Learners hypothesize about and experiment with soil erosion in this hands-on activity.