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

Right now the Earth is spinning, whether we can feel it or not. Do you know why? Uncover the science behind our spinning planet with this informative worksheet.

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

This cool physics worksheet helps kids learn how centripetal force and centrifugal force can explain why short track speed skaters don't fall over during turns.