Introduce your flashlight to mirrors. Mirrors are cool surfaces that reflect light just as well as they reflect your face.

Introduce your child to a fascinating new animal, the Baird's tapir. This is just one of many endangered species around the world.

Where'd that shadow come from? Next time a scary shadow crosses your path, you'll know just what to look for.

Children learn why the light from the sun seems white to us, why we see objects in color, and why the sky is blue in this beautiful and fascinating worksheet.

Did you know that each tree tells a story? In this worksheet, children peer inside a tree to learn about the layers in its trunk.