Sample Simple Machines Theme Unit Worksheet
Simple Machines Theme Unit

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 Name _____________________________ Date ___________________
Simple Machines
Complete the puzzle.
 11 22 1 25 10 12 4 3 2 16 15 21 14 5 17 20 8 7 18 6 19 26 13 23 9 24
 pulley easier machine forces wheel broom wedge six knife force screw lift seesaw fulcrum ramp work bar lever pole direction inclined plane slanted size distance times energy higher

Down
 1 This type of simple machine is used to raise and lower a flag on a flagpole.
 2 A device that does work.
 3 A simple machine performs work by applying one or more ____.
 4 A simple machine that consists of two inclined planes placed back-to-back.
 5 Simple machines are used to push, pull, and ____.
 6 The fixed point or support on which a lever turns when moving.
 7 Using a force to move an object across a distance.
 8 A snow shovel is an example of this simple machine.
 9 A screw is made up of an inclined plane that is wrapped around a ____.
 10 When you pull on a pulley, the pulley will change the ____ of the force applied to it.
 11 A wheelchair ramp is an example of this simple machine. (2 words - include space in puzzle)
 12 A simple machine can change the direction or ____ of a force.
 13 Work is equal to the product of force ____ distance.
 14 One end of an inclined plane is ____ than the other end.
Across
 4 A ____ and axle is a simple machine that uses the force turning its wheels to also turn its axles.
 15 Simple machines make performing work ____.
 16 A ____ is an example of a lever.
 17 The number of simple machines.
 18 The blade of this is an example of a wedge.
 19 A push or a pull.
 20 A wedge and a ____ each include one or more inclined planes.
 21 This type of simple machine is in the form of a lever.
 22 This type of simple machine is in the form of an inclined plane.
 23 A ____ and a fulcrum make up this simple machine.
 24 An inclined plane has a ____ surface that does not move.
 25 An inclined plane makes it easier to move an object upward, but the ____ to perform the work is larger.
 26 A simple machine requires this in order to operate.