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

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.

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.

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

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

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.

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!

Kids can put old magazines and unwanted clothing to good use by creating an Earth Day-themed multimedia collage in this eco-friendly arts and crafts activity.

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

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

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

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