Even colors have best friends. In the world of color, these best friend pairings are called complimentary colors.

Your child will learn how electricity is made and used by drawing pictures of household products that use electricity to create light, heat, and motion.

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

It's a paper parachute brigade! Learn how to build your own parachute, and learn how the parachute was invented over 500 years ago.

Add some punch to your own doodles with a quick lesson about how to draw light and shadows.

Children learn the fascinating physics behind lightning, along with a few fun facts, in this physical science worksheet.

Are students studying electricity? Give them a break from the scientific nitty-gritty with this fun word search full of electricity terms!

Give your budding chemist the facts and practice she needs for measuring with graduated cylinders.

Here's a thorough, easy-to-understand breakdown of the color wheel that includes primary, secondary and tertiary colors.

Is orange juice a solid or liquid? What about a cookie? Practice classifying everyday objects in this first- and second-grade states of matter worksheet!

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.

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!

Analyze everyday objects and identify states of matter with this second- and third-grade science worksheet!

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

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

Can melted wax turn back into solid wax? Can scrambled eggs turn back into raw eggs? Learn the answers to these questions and more with this second-grade worksheet about reversible and irreversible changes!

Did you know that sound is actually caused by movement? Vibrations of particles create the sound that we hear.

Students flex their physical science knowledge by classifying items as solids or liquids in this fourth grade states of matter worksheet.

Students practice classifying items as liquids or solids for a lesson on the states of matter in this fourth grade physical science worksheet.

Discover different types of energy with this third- and fourth-grade science worksheet!

Kids practice identifying solids for a lesson on the states of matter in this 1st grade physical science 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.

Kids practice identifying liquids for a lesson on the states of matter in this 1st grade physical science worksheet.

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

Children will connect their understanding of gases to real-world items as they circle all of the pictures showing gases.

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

Kids draw examples of solids, liquids, and gases in this 1st grade physical science worksheet that focuses on the states of matter.

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

Match forms of energy to common examples in this third- and fourth-grade science worksheet!

Connect forms of energy to real-life scenarios in this third- and fourth-grade worksheet!