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!

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.

In this science fair project, students discover how sedimentary layers form as sediments like mud, silt and sand settle over time.

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

It's a rare kid who doesn't like a sandbox. Next time you're out digging, build in some earth science, too.

This tactile activity helps kindergarteners learn about texture.

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!

Encourage your kindergartener to investigate and chronicle the weather she observes during the coldest months of the year.

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

Is your child a young ornithologist in the making?

Unlike other seed sprouting projects, this one allows kids to compare five different sprouts (either 5 herbs or 5 flowers) by watching them grow in a glove.

Take advantage of the spring and summer sun in this arts and crafts activity that has your learner creating pretty flower prints.

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

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

This weather spinner will improve observation skills by encouraging children to examine and track weather details and patterns.

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

Develop your child's green thumb with this easy planting activity. These plants are guaranteed to grow fast and are "brown-thumb" proofed!

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

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

This winter garden project is just about bomb-proof, and believe it or not, it might even make a great gift. So get craft happy with your first grader!

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

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

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

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!

We all know that the Moon has different phases, but it can be hard to figure out why. Try this activity to see how the Moon's phases really work.

Hunt for natureâs treasure, the many different products made by trees!

Help your kindergarten scientist explore an important part of earth science: how soil retains water.

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