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

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

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!

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!

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!

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

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

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

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

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

Practice describing different objects and substances in this colorful worksheet!

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

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

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

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.

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

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

Children hone their powers of observation using this worksheet template.

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

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

Alfred Nobel, though he held over 300 patents in his lifetime, is most famous for inventing dynamite.

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

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.

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

Did you know that the screw is actually one of the six simple machines? This handy machine helps to make work easier!

Introduce your child to the inclined plane, one of the six simple machines that helps to make work easier for us!

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