Simple Machine Crossword Puzzle

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Across
  1. 3. number of different types of simple machines
  2. 5. fixed point on a lever that doesn't move
  3. 7. and axle type of simple machine that is made of a wheel attached to a rod
  4. 9. incline plane that is often found on a playground
  5. 10. wheel and axle device that is turned when you open a door
Down
  1. 1. pulleys are used to raise this on a sailboat
  2. 2. wedge used for cutting food
  3. 4. type of simple machine that is made of a wheel with a rope or chain
  4. 6. lever used for digging holes in the ground
  5. 8. tool with two levers attached together for cutting paper