Who knew that the machines of the world are all made of just 6 simple machines working together? Introduce your child to simple machines with this worksheet.

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

Discover some of the fascinating properties of gravity by studying one of Newton's famous laws, the Law of Gravitation.

If you push your little brother, does he push back? Well, according to Newton's third law of motion, he does!

Did you know that air has substance too? Learn about air resistance, also known as drag. Air resistance affects the movement of all the things on our planet!

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

Ever wonder about how to make the perfect paper airplane? Learn about the four forces that affect flight with paper airplane physics!

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

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

This cool physics worksheet helps kids learn how centripetal force and centrifugal force can explain why short track speed skaters don't fall over during turns.

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

If your scientist is mad for magnets, let him explore a few fun facts about magnetism with this physics page!

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

A lot of common objects use electromagnets to work. This word search will get your child thinking about all the electrical and mechanical devices around her!

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.

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

Young inventors will have a blast with this worksheet on compound machines! Use three of the six machines together 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!

Get charged up about static electricity with this informative fourth- and fifth-grade worksheet!

Explore magnetism with this colorful science worksheet for third and fourth graders!

Determine which magnets have the strongest force in this third- and fourth-grade worksheet!

Use a seesaw to see what happens when opposing forces become balanced or unbalanced!

Explore the strength of magnetic forces with this worksheet for third and fourth graders!

Consider the factors that affect magnetic forces in this informative third- and fourth-grade worksheet!

Use your powers of prediction to project the future movement of playground objects!

Use your detective skills to predict the motion of a seesaw in this third-grade worksheet!

Unscramble key vocabulary words about energy and collisions with this engaging science worksheet!

Who will win the marble race in this two-page physical science worksheet?

Put your prediction proficiency to the test in this third-grade physical science worksheet!

Create your own gravity-powered roller coaster in this creative worksheet!