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.

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

Make edible amber fossils with your second grader to explore the fascinating world of science!

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

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

Celebrate Earth Day, or any day, by recycling an old CD and make a colorful, decorative fish!

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.

Help your child keep track of his pledges to be more environmentally friendly with a calendar made entirely out of recycled and reused materials!

This Earth Day, create an adorable litter bug while learning about the importance of recycling.

In celebration of Earth Day, help your fifth grader write a poem from the Earth to its inhabitants.

Make your own recycling game that helps teach your child what can and should be recycled.

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

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.

What better way to raise awareness about the environment than with an eco-friendly Earth-themed party? Get your party started with this step-by-step guide.

Get kids to celebrate Earth Day by designing their very own junk truck.

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.

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!

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

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

Here's a pressed leaf card project that puts science and writing together for your second grader.

This activity is a great way to engage learners in Earth Day celebrations while cultivating skills around nonfiction comprehension and research writing.

Learn about nature by making your own mini moss garden.

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

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

Celebrate Earth Day by making a poster that encourages people not to litter.

Your child can twist and turn their way to creating a freestanding wire form! When they're done they can position and display their small statue wherever they want.

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

Encourage your child to take ownership of a plant by creating a care plan and following it over the course of a couple of weeks.

Re-purpose a tin can into a pretty compost bucket for your family's kitchen counter and learn about the science and fun of recycling and renewing objects.