Did you know that air has substance too? Learn about air resistance, also known as drag. Air resistance affects the movement of all the things on our planet!

Guess how much strength is needed to pull an object in this physical science worksheet!

Magnets are fun to play with, but how do they actually work? Have your child circle the objects he thinks the magnet will attract.

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

Strengthen your understanding of forces with this kindergarten worksheet!

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

This cool physics worksheet helps kids learn how centripetal force and centrifugal force can explain why short track speed skaters don't fall over during turns.

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

Ever wonder about how to make the perfect paper airplane? Learn about the four forces that affect flight with paper airplane physics!

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.

If you push your little brother, does he push back? Well, according to Newton's third law of motion, he does!

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?

Create your own gravity-powered roller coaster in this creative worksheet!

A lot of common objects use electromagnets to work. This word search will get your child thinking about all the electrical and mechanical devices around her!

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

Explore everyday forces with this first- and second-grade science worksheet!

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

Identify examples of pushes and pulls with this cut-and-paste worksheet for kindergarteners and first graders!

Observe different forces at work with this kindergarten and first-grade 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.

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

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

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