Learn all about light refraction by simply placing your pencil in a glass of water. Warning: your pencil may not be quiet the same afterward.

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.

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.

Did you know that light could bounce? Set up a light obstacle course with a few mirrors and watch light bounce around your room.

Educate your budding scientist about fossil fuels with this worksheet about non-renewable energy.

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