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

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

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

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!

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

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

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

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.

Encourage local wildlife to settle down in your backyard with this adorable bird nest craft.

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!

Help your kindergarten science maven explore the water cycle without getting everything wet.

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

This homemade barometer allows your little scientist to contemplate and compare different air and weather conditions.

This interdisciplinary card game will have your third grader working on math facts as he travels through the solar system!

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

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.

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

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.

Let your second grader pay homage to an ancient Olympic tradition with this modern day Olympic wreath!

Encourage a group of third graders to play this fun game of Whistle Hide-and-Seek as a warm-up to get them prepared for finding a "lost" camper.

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

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

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.

Make all-natural dye from vegetables to create gorgeous homemade play-silks!

Create your own cloud with an activity that will explain how important concepts such as evaporation, condensation, and precipitation work.

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!

How do you tell time without a watch? Use the sun! This simple activity will show your child how to build his own sundial.