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

In this cool project, create a lighted, scale model of the different layers of the Sun, including the core, radiation and convection zones, and photosphere.

Here is a hands-on activity to help third graders understand the four points of a compass...and how we use them to get around.

Help your fifth grader trace your family's roots and interview all the living mothers to create a makeshift, 3-D family tree!

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

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.

Recreate the fantastic phenomena of solar eclipses with your child using just a flashlight, a quarter, and her very own face!

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.

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

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

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.

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

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

Use natural materials to try out a new kind of weaving. Your child will enjoy gathering their materials outside and then using them to create a piece of art!

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

Pair a planetarium visit with this fun art project that mimics the look of far-off galaxies.

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

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!

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

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

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

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

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

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.

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

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

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 fun activity that will have your child researching, collecting, and charting plant specimens from the neighborhood.

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.