Discover some of the fascinating properties of gravity by studying one of Newton's famous laws, the Law of Gravitation.

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

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

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.

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!

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

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

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!

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

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