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

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

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

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

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

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

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