Crossword Puzzle

simple machines

Across

  1. a flat surface that is raised so one end is higher than the other to help move heavy objects up and down. (inclinedplane)
  2. an object that is wide at one end and pointed at the other, which helps cut or split objects. (wedge)

Down

  1. a stiff bar that moves about a fixed point. it is used push, pull, or lift things. (lever)
  2. the fixed point that a lever turns on. (fulcrum)
  3. a wheel that has a rope wrapped around it. it is used to lift heavy objects by changing the direction or amount of force. (pulley)
  4. an inclined plane wrapped around a cylinder or cone. they are used to hold objects together. (screw)

["wheelandaxle"]

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