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

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

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.

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

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

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!

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

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

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.

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

Budding scientists will learn about the density of salt water and perform an experiment with food coloring, salt water, and fresh water.

Teach your little scientist the difference between physical and chemical changes, on a molecular level.

After your child fills in this review sheet on chemical and physical properties, it's a good idea to hold onto it for future test review!

Discover some of the fascinating properties of gravity by studying one of Newton's famous laws, the Law of Gravitation.

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

If your scientist is mad for magnets, let him explore a few fun facts about magnetism with this physics page!

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

A handy worksheet that breaks down the properties of metal. A good physical science review sheet to keep around for reference.

If you push your little brother, does he push back? Well, according to Newton's third law of motion, he does!

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

Did you know that air has substance too? Learn about air resistance, also known as drag. Air resistance affects the movement of all the things on our planet!

Ever wonder about how to make the perfect paper airplane? Learn about the four forces that affect flight with paper airplane physics!

Energy is a crucial part of physical science! All things on Earth have energy, whether it's potential or kinetic.

What is the difference between condensation and evaporation? Learn about natural cooling and heating processes that are caused by changing states of matter!

Help your child learn about one of the most elementary elements, gold.

Help your child get to know an elementary element with this worksheet about iron.

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

Help your child get to know the most elementary of the elements with this handy worksheet on silver.

Help your child get to know his elementary elements with this handy worksheet on copper.