In this simple and social activity, children use size comparison skills to find objects in nature that are bigger, smaller, longer, and shorter.

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

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.

In this activity, your kid has your permission to get his socks nice and filthy. In fact, it's a necessity, because those socks are going to make a garden.

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