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

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!

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

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

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

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!

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

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!

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