Budding inventors can get a fun review of the simple machines with this word search.

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

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

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

Wedge your way into physics fun! You and your child can learn a bit about one of the six simple machines with this worksheet all about the wedge.

Children will connect their understanding of gases to real-world items as they circle all of the pictures showing gases.

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

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.

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!

How many machines can you find around the house? You may find them where you least expect it!

Meet the master of compound machines: Rube Goldberg! His wacky contraptions put a whole new spin on the use of simple machines.

Children hone their powers of observation using this worksheet template.