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

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!

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.

Enjoy those warm spring and summer nights with your child while teaching some basic astronomy at the same time.

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.

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

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

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

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

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

Make water and clay play a little more scientific with this hands-on experiment that teaches displacement and shows how an object's shape affects its buoyancy.

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.

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

Your child helps the environment while saving your family money in this fun and rewarding "Gas Guzzlers" competition.

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

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!

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

Help your child plant a "tea garden": a garden made of herbs for making teas.

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

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

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

Learn about different fern fronds with your third grader as you create lacy, natural decorations on your Easter eggs this year.

You don't need to wait for rain to see a rainbow. Make one yourself, and teach your child about light and weather in the process.

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!

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.

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.

Create your own cloud with an activity that will explain how important concepts such as evaporation, condensation, and precipitation work.

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

If your mom likes flowers, make her a sweet gift that she'll treasure with this fun craft, a pretty Pressed Flowers Card!

Help your child understand the scientific concept of evaporation with this fun outdoor science activity.