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

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.

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

Practice describing different objects and substances in this colorful 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.

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

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

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.

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!

Children hone their powers of observation using this worksheet template.

Learn about the texture and hardness of different objects in this second-grade worksheet!

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

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

In this worksheet, kids learn about friction by answering questions about the amount of friction in different situations.

Pull the lever on learning! Get to know one of the six simple machines with this worksheet about the lever.

Young inventors will have a blast with this worksheet on compound machines! Use three of the six machines together to make work easier.

Looking for a worksheet to challenge your child's knowledge of science? This printable asks him to identify a solid, liquid and gas.

Kids draw 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!

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

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!

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.

Describe how things feel when you touch them and push on them!

Did you know that an elevator is actually one of the six simple machines? Help your child understand how the pulley works.

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