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

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.

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!

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

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.

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!

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

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

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

This activity is a great way to stretch the boundaries of your child's imagination and build up important critical thinking skills.

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

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

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

Let your second grader pay homage to an ancient Olympic tradition with this modern day Olympic wreath!

Transform your uncomfortable wooden shoes into charming mini planters!

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

Make a spring collage with your child to get them outside and those creative juices flowing!

Encourage local wildlife to settle down in your backyard with this adorable bird nest craft.

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!

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!

Has your child ever played weatherman? Try this science activity that lets kids try their hands at observing and predicting the weather.

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.

Help your child celebrate the summer and the sun by making a sandy seascape.

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!