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!

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.

Design a helmet from household objects in this engaging first- and second-grade activity!

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.

This science vocabulary activity is packed with basic science vocabulary words to help the youngest kids warm up to scientific concepts.

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

Kids write down examples of solids, liquids, and gases in this 1st grade physical science worksheet that focuses on the states of matter.

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!

Make a splash with this hands-on first, second, and third grade science worksheet about sound and underwater vibrations!