Does your child always demand to know why the sky is blue, how the sun moves across the sky, or where wind comes from?

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.

Learn about nature by making your own mini moss garden.

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

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

This craft is an excellent way to learn about African-American history, and it also provides fine motor practice.

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

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

This will encourage your child to utilize their observation skills, develop aesthetic awareness, build artistic drawing abilities and learn about the seasons.

In this fun activity, kids practice measurement and boost fine motor skills as they learn all about how fossils form and even make a few of their own!

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

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!

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

The weather is a key kindergarten science concept. With this activity your child will learn about wind direction and create a self portrait, too!

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

Make your own greenhouse - out of a balloon! Your child will learn how greenhouses work as they plant radish seeds and watch them grow.

Children will learn why and how to compost as they help with the process of filling their compost, turning it, and observing the changes that occur.

Use natural materials to try out a new kind of weaving. Your child will enjoy gathering their materials outside and then using them to create a piece of art!

With some cookie dough and ordinary household objects, let your kindergartener explore how fossil imprints are made.

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 child celebrate the summer and the sun by making a sandy seascape.

Introduce your child to preliminary science concepts by challenging them to do this fun and simple cloud observation activity.

This plaster fossil activity is a fun supplement to preschool science. Use plaster to make imprints of your child's handprints, footprints and other objects!

What's a crater, and how does it happen? Here's a kindergarten experiment with safe, nontoxic ingredients.

Hatch a praying mantis egg case in a homemade habitat with your child's help! This is an amazing experiment in science and nature for kids of any age.

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!

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

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

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