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

Many ancient cultures used the rising or setting sun to create calendars. Observe the setting sun once a week to come up with your own solar calendar!

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

How much water comes out of snow? Explore this timely question with your kindergarten scientist with this easy winter experiment.

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

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

This easy at-home experiment is a great way to "see" science.

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.

In this activity, your kid will watch coal turn into crystals right before her very eyes, and learn some science along the way!

Kids conduct a simple science experiment to see if seeds can grow without soil in this simple kindergarten science activity.

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

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

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

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

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.

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

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

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

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

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

Use sticks and stones to create create an outdoor version of tic-tac-toe!

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.

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!

Play Rock Tic-Tac-Toe, the perfect outdoor game for all ages. Help your child develop thinking skills and get away from the TV!

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

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.

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