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

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!

Develop your child's green thumb with this easy planting activity. These plants are guaranteed to grow fast and are "brown-thumb" proofed!

Help your child create a written message and practice their letters using sticks they find in nature. Here's how to get started.

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

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

This tactile activity helps kindergarteners learn about texture.

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!

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

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

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!

Take a nature walk in your backyard or local park to find one object for every letter of the alphabet. Then put them together in this handy nature book.

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

Plant a mini herb garden and teach your child about science and nature.

Here's a science and nature activity to help your kindergartener get outdoors and learn about the structure of leaves.

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

In this fun activity, kids practice measurement and boost fine motor skills as they learn all about how fossils form and even make a few of their own!

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.

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!

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.

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

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

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.

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.

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

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!

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