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

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

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

Light travels so quickly that sometimes we can forget it even travels at all. Learn all about the direction light travels and perform your own experiment!

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

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.

Need a colorful way to impress your friends and family? This worksheet has got you covered!

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

Change up your regular classwork with this hands-on science worksheet!

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

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 your child baffled by the scientific method? Dr. McSquare is here to help! Learn the steps by helping the doctor organize his lab reports.

What is the water cycle? We're glad you asked! Learn about this amazing natural system that's been working for billions of years.

Brush up on some physics vocabulary with this energy word search!

Dr. McSquare needs help sorting out his lab reports. Can your child read each item, then label it with the correct scientific method step?

This worksheet teaches your student about physical change vs chemical change, matter, mass, and property. An exciting experiment reinforces the concepts.

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.

Sometimes measuring liquids scientifically is tricky. Give your budding scientist some practice, by reading measurements on graduated cylinder illustrations.

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

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

Sink or float? Your kid may be surprised to learn that the density of coke and diet coke aren't the same!

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.

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

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

The periodic table of the elements is an important classification system of the most basic particles that make up our world!

Use this blank periodic table to work on your memorization of the table for your next quiz!

Get a brief history of the atom with this introductory page for young physicists!

The periodic table of the elements is full of helpful information. Figure out how to read the periodic table with this helpful guide.

Introduce children to physicist Albert Einstein — and a bit of theoretical physics — with this mini biography.

Children hone their powers of observation using this worksheet template.