MACHINES

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Across
  1. 1. Is the transfer of energy through motion
  2. 3. Bar that can turn on a fulcrum
  3. 4. Device that makes work easier with only one movement
  4. 5. How much benefit you get from using less work
  5. 7. Machine that combines two or more simple machines
  6. 9. Slanted surface or ramp
Down
  1. 1. Machine consisting of two wheels of different sizes that rotate together
  2. 2. Rope wrapped around a wheel
  3. 6. Inclined plane with 2 sloping sides
  4. 8. Inclined plane that turns around a central point