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.

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

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

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

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!

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

Help your child create a written message and practice their letters using sticks they find in nature. Here's how to get started.

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 tactile activity helps kindergarteners learn about texture.

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.

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!

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.

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.

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.

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

Here's a first grade ladybug game that explores how air can move solid objects, and adds some measurement practice, too. Play, learn, and enjoy!

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!

Take a nature walk in your backyard or local park to find one object for every letter of the alphabet. Then put them together in this handy nature book.

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

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

Plant a mini herb garden and teach your child about science and nature.

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

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

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

Here's a science and nature activity to help your kindergartener get outdoors and learn about the structure of leaves.

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

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.