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.

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.

I spy with my little eye... six simple machines! Here's a fun way to help your child review the simple machines.

Budding inventors can get a fun review of the simple machines with this word search.

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

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

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

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

How many machines can you find around the house? You may find them where you least expect it!

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

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!

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

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!

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

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

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

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

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