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

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

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

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.

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

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.

Want to spark your third grader's interest in gardening? Help him make popsicle stick fairies to decorate an enchanting garden oasis.

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.

Your child grows a green thumb and flowers with this seed planting activity that also celebrates the 100th day of school!

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

This season is a great time to explore the many shapes, sizes, and species of evergreen trees. Download our "field guide" activity and learn more!

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.

This fall, make a leaf crown that will encourage creative play and your child's interest in the natural world while you help them build fine motor skills.

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

This clay "painting" activity encourages and supports creative development and critical thinking skills.

Try this simple activity with your child to guesstimate the age of a tree in your yard and nurture her developing math skills while you're at it!

Get your child math and science savvy with this fun outdoor classification game. Using chalk, your child will classify what she sees in the natural world.

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

This year on Mother's Day, try this gift project that brings together an appreciation for gardening with a hands-on lesson in art history.

Take to the air with science by experimenting with helicopter seeds right in your own backyard!

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

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

Who needs paint, glitter, or crayons when you have natural art supplies right outside your front door?

This educated-guessing game is great for preschoolers. This activity helps your child work on her reasoning skills.

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

Make a wish upon a tree with this craft that also helps your child learn more about Chinese culture.

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

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

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

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