Find out all about the different parts of the eyes and how they work together to make vision possible.

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.

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

Without reflective surfaces, this biker would have a much more dangerous ride. Can you find all five reflective surfaces present in this scene?

Glass is everywhere, but have you ever wondered where it all came from? It doesn't grow anywhere -- we have to make it!

What is solar energy? Discover how we use the power of the sun, and complete this worksheet about an important renewable energy source.

Can you explain why your blue shirt is blue? This worksheet is full of facts about light and how it reacts with objects to give us the perception of color.

During the Gold Rush, people weren't sure if they found gold or something else, and these easy steps would help them be sure.

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.

Have you ever wondered why water in a drinking glass looks clear while water in the ocean looks blue? Find out why with this fun worksheet!

Never heard of the planet Pirjute? That's because it's Jupiter, with mixed-up letters! Kids unscramble planet names on this third grade science worksheet.

What is geothermal energy? Find out how we use parts of the Earth to provide us with renewable energy!

What's the difference between renewable and non-renewable energy? Help your student discover the various forms of energy we use each day.

What is water energy? Also known as hydro power, water energy is one of our important renewable resources!

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

Does your little scientist know the different types of energy? Explore energy with this helpful info sheet!

Without light sources, we wouldn't have any light. Can you imagine a world without any light sources?

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