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

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.

Observe different forces at work with this kindergarten and first-grade worksheet!

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

Introduce your child to the inclined plane, one of the six simple machines that helps to make work easier for us!

Did you know that the screw is actually one of the six simple machines? This handy machine helps to make work easier!

What is energy? Energy is the ability to do work! Use this colorful worksheet to teach your little scientist the basics of energy.

Magnets are fun to play with, but how do they actually work? Have your child circle the objects he thinks the magnet will attract.

Young inventors will have a blast with this worksheet on compound machines! Use three of the six machines together to make work easier.

Find out how colors work with an intro to the color spectrum. Kids will investigate the seven colors of the rainbow and do a color wheel experiment.

Guglielmo Marconi was a man who made waves in radio and sound. Learn about his life and work, then answer a short essay question in this science worksheet.

Children hone their powers of observation using this worksheet template.

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

Challenge your child's knowledge of astronomy with this space-themed worksheet, which focuses on the timing of cosmic events.

Boost your second grader's knowledge of space with this fun worksheet, which will have her unscrambling the answers to planetary trivia.

Meet the master of compound machines: Rube Goldberg! His wacky contraptions put a whole new spin on the use of simple machines.

Crank out a better understanding of simple machines with this worksheet all about the wheel and axle!

Looking for a worksheet to challenge your child's knowledge of science? This printable asks him to identify a solid, liquid and gas.

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 a feather liquid, soft, spotted, or heavy? Practice describing everyday objects, or matter, with this second-grade science worksheet!

Dive into the electrifying concept of electrical energy in this colorful worksheet!