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

Discover the differences between gravity and magnetism in this forceful worksheet!

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

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

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

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

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

Guess how much strength is needed to pull an object in this physical science worksheet!

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

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.

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

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

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

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

Strengthen your understanding of forces with this kindergarten worksheet!

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

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

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

Can your child tell what will be attracted by a magnet? Challenge him to think about why magnets attract certain objects.

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

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!

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.

Explore everyday forces with this first- and second-grade science worksheet!

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.

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