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

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.

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

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!

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

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!

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.

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

Make a seed bomb and let your junior guerilla gardener spread flowers far and wide.

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.

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

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

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

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

Looking for a fun summer adventure? Learn what it was like to be a prospector during the California Gold Rush by panning for gold in a local creek.

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

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.

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.

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!

Teach your child how to make an all-natural, yellow-brown dye, using just walnut shells and water. This deep dye can be used on textiles, art, and wood.

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!