Students practice classifying items as liquids or solids for a lesson on the states of matter in this fourth grade physical science worksheet.

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

Never heard of the planet Pirjute? That's because it's Jupiter, with mixed-up letters! Kids unscramble planet names on this third grade science worksheet.

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

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

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!

Right now the Earth is spinning, whether we can feel it or not. Do you know why? Uncover the science behind our spinning planet with this informative worksheet.

Do you measure distance in inches or seconds? When do you use miles? Answer these and more with this third-grade worksheet about the customary system of measurement! 

Does your little scientist know the different types of energy? Explore energy with this helpful info sheet!

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

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

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

Help your student become aware of everyday energy use with this fill-in-the-blank worksheet.

What is energy? Energy is the ability to do work! Use this colorful worksheet to teach your little scientist the basics of energy.

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

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

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

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!

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

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

Teach your child the difference between potential and kinetic energy with this introductory worksheet.

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

Learn about some of the most common forms of energy with this helpful one-pager for third graders!