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Simple Machines

Grade 3

QuestionAnswer
The ______ is a stiff bar that moves about a fixed point (fulcrum). lever
The ______ is used to push, pull, or lift things. lever
A seesaw, crowbar, and shovel are examples of a ______. lever
The ______ is a flat surface that is raised so one end is higher than the other inclined plane
Which simple machine helps moves heavy objects up or down? inclined plane
A ramp is an example of this simple machine: ______. inclined plane
The _______ is wide at one end and pointed at the other to help cut or split other objects wedge
Examples of a ______ include a knife or ax. wedge
The _______ consists of a rod attached to a wheel. wheel and axle
A ______ makes it easier to move or turn things. wheel and axle
Examples of a ______ include bicycle wheels, roller skates, and a door knob. wheel and axle
The ______ is an inclined plane wrapped around a cylinder or cone. screw
A common use of the ______ is to hold objects together. screw
A jar lid is an example of a ______. screw
The ______ is a wheel that has a rope wrapped around it. pulley
A flag is raised using a _______. pulley.
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