In this worksheet, kids learn about friction by answering questions about the amount of friction in different situations.

When we push or pull an object, we exert force on it. Get your child thinking about force by challenging him to describe how each person is exerting force.

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 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.

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

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

Who knew that the machines of the world are all made of just 6 simple machines working together? Introduce your child to simple machines with this 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?

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!