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

Unlike other seed sprouting projects, this one allows kids to compare five different sprouts (either 5 herbs or 5 flowers) by watching them grow in a glove.

This plaster fossil activity is a fun supplement to preschool science. Use plaster to make imprints of your child's handprints, footprints and other objects!

Introduce your fourth grader to the concepts of solstices by observing the length of her shadow on the shortest day of the year, compared to other solstices.

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

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

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!

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

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!

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

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

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

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

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.

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

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

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.

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.

This tactile activity helps kindergarteners learn about texture.

In this fun science fair project, make two different scale models of our solar system using Astronomical Units and planets' relative size!

Encourage your kindergartener to investigate and chronicle the weather she observes during the coldest months of the year.

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."

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

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

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

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

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

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