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

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

Grab your trusty flashlight and get ready for a scientific treasure hunt!

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

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.

Teach your child the difference between potential and kinetic energy with this introductory worksheet.

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

What is wind energy? Teach your students how we can use the wind to create electricity!

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

Have you ever wondered why manhole covers are round? It's a good thing to know -- big companies sometimes ask that question in interviews.

Renewable energy is extremely important for the Earth's future! Test your child's knowledge of renewable resources with this review sheet.

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

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

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

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.

Here is a brief introduction to The Great Pacific Garbage Patch for kids!

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

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.

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