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

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

Engage your little scientist with a fun word search, all about sinking and floating! He'll be learning a basic concept of physical science.

Help your little learner understand the concept of buoyancy with this fun worksheet. He'll decide which items will keep this frog afloat!

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

Searching for help with you kid's geography skills? This printable worksheet will teach them the continent of South America.

Searching for a way to help you kid practice their geography knowledge? This printable is a great way to learn the countries in North America.

Kids practice identifying solids for a lesson on the states of matter in this 1st grade physical science worksheet.

Kids practice identifying liquids for a lesson on the states of matter in this 1st grade physical science worksheet.

Why do some objects make loud sounds when dropped, while others make quiet sounds?

Every four years something funny happens with our calendars -- we add a day! Why do we do this? Discover the science behind leap year.

Teach your child how we measure temperature with these printable thermometers!

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

Is orange juice a solid or liquid? What about a cookie? Practice classifying everyday objects in this first- and second-grade states of matter worksheet!

Analyze everyday objects and identify states of matter with this second- and third-grade science worksheet!

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

Can melted wax turn back into solid wax? Can scrambled eggs turn back into raw eggs? Learn the answers to these questions and more with this second-grade worksheet about reversible and irreversible changes!

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

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