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.

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

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.

In this activity, your child will make her own "quicksand" to better understand how a substance can be both fluid and solid at the same time.

With a clear bottle and a few plastic straws, you can easily make a hummingbird feeder and demonstrate the effects of atmospheric pressure 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.

Many ancient cultures used the rising or setting sun to create calendars. Observe the setting sun once a week to come up with your own solar calendar!

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."

This simple experiment serves as an introduction to the greenhouse effect.

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.

Help your fifth grader embrace the roots--literally--of Mother's Day by growing carnations to honor mothers in you family's history.

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.

What cause the phases of the moon? Make a model to see how the positions of the Sun, Moon, and Earth cause the crescent, gibbous, quarter, full, and new moon.

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.

There are hundreds of properties in rocks which you can describe, so get your geology goggles on and get ready to rock your child's science skills.

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.

Grow borax crystals and get your child excited about Earth science with this crafty science experiment.

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!