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.

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.

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

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.

Recreate the fantastic phenomena of solar eclipses with your child using just a flashlight, a quarter, and her very own face!

Teach your child how to make an all-natural, yellow-brown dye, using just walnut shells and water. This deep dye can be used on textiles, art, and wood.

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

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

In this free science fair project, learn how to separate salt from water using heat. A great science project for elementary school kids.

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

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

Your child can use leaves and grass to create his own outdoor art in celebration of Earth Day...all he needs are is the great outdoors and some creativity!

This kinesthetic learning activity will help your fourth grader get a firm grasp on the immensity of the solar system.

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

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

Science fair project examining barometric pressure, and how it can be used to predict the weather. How does atmospheric pressures relate to weather conditions?

Learn about Ikebana, or the Japanese art of flower arranging, with your child while artfully arranging spring flowers!

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

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 activity, your child will learn about a style of gardening that uses moss, also called "kokedama."

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.

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!

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

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!

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.

To help your child learn how to use a thermometer, try this temperature collecting activity at home.