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!

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

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

Ever wonder what causes lightning to strike? Explore the physics of lightning with this striking physical science worksheet!

Children are introduced to the concept of the speed of light in this illustrated worksheet.

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

Learn all about how to convert centimeters to inches in this practice worksheet.

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

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

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.

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

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

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

How fast does sound travel? Help your child figure out the physics of sound waves with this informative worksheet.

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.

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

Little scientists can learn about a fundamental concept of physical science with this worksheet all about density!

What is biomass energy? Learn about an important form of renewable energy with this colorful worksheet.

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

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

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

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

With this worksheet, kids read about the sport of biathlon and gain an appreciation for the skills involved by studying the math and physics behind them!

It's a bird! It's a plane! It's Physics Man! Test your knowledge of the physical world with this fun questionnaire that takes physics to a super-heroic level.

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

Learn about drag, air resistance, and Newton's laws with this cool worksheet on bobsled physics!

Find out the the cool science behind ice cubes with this fun worksheet.

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

Ever wonder why sounds change as they move away from us? Learn all about the Doppler effect with this physics worksheet.

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