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

Does your child always demand to know why the sky is blue, how the sun moves across the sky, or where wind comes from?

Here's a household scavenger hunt that shows kids the natural sources behind everyday objects...and builds reading skills, 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.

Use the textures found in nature to create your own stationery! This fun, outdoor activity will no doubt inspire your child's creative side.

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.

Got a birdwatcher on your hands? Bring the birds to your backyard by making a zany bird feeder using an orange and some string.

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

Hatch a praying mantis egg case in a homemade habitat with your child's help! This is an amazing experiment in science and nature for kids of any age.

Want to spark your third grader's interest in gardening? Help him make popsicle stick fairies to decorate an enchanting garden oasis.

Show your child how to construct a homemade thermometer. It's hands-on fun and a great way to learn about this important instrument!

Do plants breathe? Not exactly. They do respire though! This activity will help your child with see that plants are producing the oxygen we need to survive.

Make a wish upon a tree with this craft that also helps your child learn more about Chinese culture.

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

If you're looking for something to keep your kid busy on a warm day, and give him some writing practice in the process, bring on the mud!

First graders are learning to think like scientists. What better place to start, then by raising tadpoles? This hands-on activity explores science in action!

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

Your kid will delight in creating an extraterrestrial vehicle from goods found around the house. There's no telling where her imagination will go!

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

This winter garden project is just about bomb-proof, and believe it or not, it might even make a great gift. So get craft happy with your first grader!

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

Conduct a simple experiment with your child to study how dirt tracks change as they age in this 1st grade science activity.

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

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

Get your child outside to observe the clouds, and get a fun exercise in science, writing, and arts and crafts! Here's how.

This activity is a great way to stretch the boundaries of your child's imagination and build up important critical thinking skills.

Turn an abstract lesson into a practical craft with the fun and colorful creation of dough earth layers!

Looking for a fun summer adventure? Learn what it was like to be a prospector during the California Gold Rush by panning for gold in a local creek.

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.