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

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!

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

In this activity, your child will make her own "quicksand" to better understand how a substance can be both fluid and solid at the same time.

With a clear bottle and a few plastic straws, you can easily make a hummingbird feeder and demonstrate the effects of atmospheric pressure at the same time!

Try this fun garden graphing project with your kindergartener this summer to give him a leg up in math and science while spending some valuable time outdoors!

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

Use dirt and different colors of craft sand to make unique layers in a clear plastic cup to represent the layers of the Earth.

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!

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

Create your own cloud with an activity that will explain how important concepts such as evaporation, condensation, and precipitation work.

Get your child math and science savvy with this fun outdoor classification game. Using chalk, your child will classify what she sees in the natural world.

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

To help your child learn how to use a thermometer, try this temperature collecting activity at home.

Take the art making outside: have your first grader make a clay relief sculpture of the natural world. This is a great activity for summer.

The weather is a key kindergarten science concept. With this activity your child will learn about wind direction and create a self portrait, too!

Kids are sure to be entranced by the magic of the ocean when they create their very own ocean in a bottle.

Help your child create a garden journal sketchbook as she observes and records the natural world through the changing seasons.

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.

Planning a beach vacation? Here's a cool nature craft you can make in the sand with your child.

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

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

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!

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

Your third grader will be amazed at the explosive combination of vinegar and baking soda in these chocolate volcano cupcakes with white chocolate "lava."

Combine your child's natural curiosity with his developing classification and writing skills by helping him create a backyard field guide.

Create a habitat for a butterfly right in your own backyard, and build your first grader's science knowledge while you're at it.

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

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

What better way to nurture your child's imagination than by making a fairy house out of materials found in nature!