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

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

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

Introduce your child to the inclined plane, one of the six simple machines that helps to make work easier for us!

Did you know that the screw is actually one of the six simple machines? This handy machine helps to make work easier!

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

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.

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

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

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

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