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

In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

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

Let your fabulous crafter use their favorite flowers, fruits and herbs to whip up a delicious perfume that they can proudly present to a friend or a loved one.

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

Challenge your young dinosaur lover to examine dinosaur footprints and then create their own dinosaur fossil in this hands-on activity.

Slip some science into storm watching with a homemade rain gauge!

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

Can you think of a way of cleaning dirty water using the sun? In this activity, you will be making a "solar still" that is able to do just that!

You don't need to head to the Arctic to experiment with life in an igloo. Learners can build their own ice igloo at home from water and empty milk containers.

This crafty activity provides a hands-on way for your child to illustrate how the trees look during each season of the year.

Learn how to make a weathervane with this fun and simple meteorology project for fourth graders.

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

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

Make these homemade shell fossils and introduce your child to the wonders of science!