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

Little gardeners, get to know your plants! See the cycle of a plant from its birth to adulthood, and read a bit about photosynthesis too.

Learn a little bit about green tree frogs (like that they sleep on the underside of leaves!) and then color in this scene of them at the zoo.

The California condor has been brought back from the brink of extinction. This worksheet will help your little bird lover learn all about the condor.

Sting your little insect enthusiast with some knowledge about the insect order Hymenoptera. He'll learn a fun fact as he colors this yellowjacket.

Ever lay on your back to watch the clouds? With this cloud chart you and your little scientist can identify the different types of cloud formations.

Encourage your little environmentalist to learn about composting! Children will boost their reading skills as they learn what compost is and how it helps the environment.

Learn all about rollie pollies, a small but unique creature that always fascinates little kids. There's even a bit of rollie pollie match to boot.

Jaguars eat deer? Wow. Alligators, too? Are you kidding? What don't they eat? There's way more to learn about these intriguing eaters in this cool worksheet.

Peel back the layers of the earth in this earth science worksheet. Can you name all of them?

Help third and fourth graders become rock stars with this informative geology worksheet!

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