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

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!

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.

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

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!

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.