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

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!

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

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.

This is not your average coloring page. Using only the three primary colors, mix your paints together to form as many colors as possible.

Without reflective surfaces, this biker would have a much more dangerous ride. Can you find all five reflective surfaces present in this scene?

I spy with my little eye... six simple machines! Here's a fun way to help your child review the simple machines.

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

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!

What do juice, water, and tea have in common? Compare and contrast matter in this engaging second-grade worksheet!

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

What do a key, a goldfish, and a tortoise shell have in common? Find out with this second-grade science worksheet!

Practice describing different objects and substances in this colorful worksheet!

Learn about the similarities and differences between objects in this colorful science worksheet!