Science fair project which determines whether plants are able to get enough nutrients from different types of garbage.

Celebrate Earth Day with a decorative tree made out of strictly reused and recycled materials.

It's a rare kid who doesn't like a sandbox. Next time you're out digging, build in some earth science, too.

This slightly messy, but tons-of-fun tactile activity will cement the idea of the land and water as pictured on maps in your young learner's mind.

In this inspiring activity, children create and perform their very own Reader’s Theater about helping the planet!

What better way to care for the earth than to create a Call to Action plan for the entire family?

Is your little scientist up for a rocky challenge? Let them make their own geode rocks using eggs and epsom salts!

Your child will have fun creating an Earth Day Plate that he can eat off as often as he likes!

Teach children how to upcycle dried-out markers with this homemade paint-making activity!

Does putting soapy water on plants help or hinder plant growth? Kids learn about greywater and how it affects plant growth in this cool science fair project.

Reuse and recycle your CDs by having your kid turn them into colorful, eye-popping suncatchers.

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!

Introduce your child to the importance of preserving the world's biodiversity by turning a lesson on endangered species into a fun game for the whole family.

In this activity, learners will discover how to make a basic water filtration system using common materials found around the house or outside.

Have fun making recycled paper using scraps of used paper in your home with this hands-on project.

Create a mini plant habitat with your kid to help teach him what it takes to make an ecosystem work.

Help your child make a recycling poster for your household and teach them how to take care of the environment!

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