| A | B |
| A simple machine that consists of two inclined planes placed back-to-back. | wedge |
| Simple machines are used to push, pull, and ________. | lift |
| A screw is made of an inclined plane that is wrapped around a __________. | pole |
| A simple machine requires this in order to operate. | energy |
| A simple machine can change the direction or _______ of a force. | size |
| A device that does work. | machine |
| The fixed point or support on which a lever turns when moving. | fulcrum |
| A push or pull. | force |
| Simple machines make performing work ________. | easier |
| This type of machine is in the form of a lever. | seesaw |
| An inclined plane makes it easier to move an object upward, but the ________ to perform the work is larger. | distance |
| A snow shovel is an example of this simple machine. | lever |
| This type of simple machine is used to raise and lower a flag on a flagpole. | pulley |
| The number of simple machines. | six |
| This type of simple machine is in the form of an inclined plane. | ramp |
| The blade of this is an example of a wedge. | knife |
| One end of an inclined plane is _________ than the other end. | higher |
| A simple machine performs work by applying one or more __________. | forces |
| An inclined plane has a _______ surface that does not move. | slanted |
| A wedge and a _________ each include one or more inclined planes. | screw |
| Work is equal to the product of force _________ distance. | times |
| A _________ and a fulcrum make up this simple machine. | bar |
| Using a force to move an object across a distance. | work |
| A _________ and axle is a simple machine that uses the force turning its wheels to also turn its axles. | wheel |
| A ________ is an example of a lever. | broom |
| When you pull on a pulley, the pulley will change the ________ of the force applied to it. | direction |