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

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.

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.

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!

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

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.

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

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!

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

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

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

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.

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