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

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

Help your second grader observe the phases of the moon, and then let the fun loose: he'll get to chart his observations with marshmallows!

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

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!

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

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

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!

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

Learn about the microclimate of your backyard by tracking rainfall, temperature, and observed weather with hand drawn charts and graphs.

Crystals are a very special structure. In this third grade activity, your child will learn how to grow salt crystals.

Your child will create her own falling snowflakes using white paper and glue them over a tree, so it appears as if they are falling from the sky.

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.

Is your child a young ornithologist in the making?

April showers may bring May flowers, but your child can preserve the beauty of spring's bounty all year long with this simple craft project!

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!

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

Help your kindergarten science maven explore the water cycle without getting everything wet.

This year on Mother's Day, try this gift project that brings together an appreciation for gardening with a hands-on lesson in art history.

First graders are learning basic addition and subtraction math facts. Practice in the sandbox with this fun outdoor math activity!

Help your child measure breezy weather in her environment by making a wind vane for kids, a simple version of the classic scientific measurement tool.

In this activity, your child will learn about a style of gardening that uses moss, also called "kokedama."

Lead your first grader on a nature walk ... with a scavenger hunt-style twist! They'll try to capture photos that correspond to paint chip colors.

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!

Help your child make a beautiful homemade sandcastle that will last!

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.

In first grade, children are introduced to fractions. Here's a recipe that combines fraction practice with winter fun and lets kids actually paint the snow!

Learn about different fern fronds with your third grader as you create lacy, natural decorations on your Easter eggs this year.

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.