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

Learn about nature by making your own mini moss garden.

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!

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

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

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