Teach your little scientist the difference between physical and chemical changes, on a molecular level.

If Dorothy had lived a little further south, she might have been swept away to Oz by a hurricane.

Have your little chemist think about the properties, or characteristics, of metals. What makes them different than non-metals?

If you push your little brother, does he push back? Well, according to Newton's third law of motion, he does!

That's not a lake... it's a crater! Get the scoop on some of the world's most well known craters with this space science worksheet.

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

Introduce children to physicist Albert Einstein — and a bit of theoretical physics — with this mini biography.

Next time you head outside for a hike or a camping trip, bring along this checklist of animal tracks!

Shake up your science studies with this worksheet about earthquakes.

Learners will discover what heat waves are, and how they are connected to global warming, in this two-page earth sciences 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.