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

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

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

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

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

Strengthen your understanding of forces with this kindergarten worksheet!

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

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

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

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

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

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.

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

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.

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!

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.

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

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

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

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

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

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

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

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