Science Crossword Puzzles
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Simple Machines
Across
3.The point about which 5 down pivots.
4.A ramp.
6.This simple machine lets cars and bicycles roll.
Down
1.A wheel over which a rope or belt is passed.
2.A spiral version of 4 across.
5.There are three basic types of this simple machine.
6.A modified version of 4 across, it can be found in the blade of a knife or an axe.
  
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