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

Increase your child's vocabulary and knowledge of the scientific world around him with a single sheet!

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

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

Who knew that the machines of the world are all made of just 6 simple machines working together? Introduce your child to simple machines with this worksheet.

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!

Practice describing different objects and substances in this colorful worksheet!

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

Take a science-filled trip to an amusement park in this third- and fourth-grade worksheet!

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

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

Fly high with The Wright Brothers, two siblings who soared to the forefront of history with their design for the first modern airplane.

Learn how conductors and insulators affect the flow of electricity in this helpful fourth- and fifth-grade worksheet!

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

Listen to the sounds of everyday life in this science worksheet!

Mix, boil, and toast your way to understanding energy transformations with this fourth-grade worksheet!

Hey, did you hear that? Explore real-life examples of sound energy with this kindergarten and first-grade worksheet!

Be a glow-getter with this energy transfer worksheet!

Warm up your scientific thinking with this colorful worksheet!

Create the most effective solar cooker in this engaging energy-focused worksheet!

Get a lesson in sports and science with this engaging third- and fourth-grade worksheet!