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

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

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!

This easy at-home experiment is a great way to "see" science.

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

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.

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.

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.

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

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

Before Twitter, birds were the ones tweeting, not humans. Have your child discover the magical sounds of nature while recording birds around his neighborhood!

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 simple experiment serves as an introduction to the greenhouse effect.

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

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.

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

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

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

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

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!

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

Create a brush pile to help wintering wildlife stay warm and cozy through the winter.

Is your child a young ornithologist in the making?

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

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

In this activity, your kid will watch coal turn into crystals right before her very eyes, and learn some science along the way!

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

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

All you need are pencils, paper and some scissors to get started on this easy and fun game to review astronomy information, or other types of study concepts.