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

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

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

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

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

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

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