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

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

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

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

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

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

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

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

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!