Simple Machines

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Across
  1. 2. the transfer of energy through motion and has to be exerted over a distance
  2. 4. a rope wrappped around a wheel
  3. 5. two wheels of different sizes that rotate
  4. 7. an incline plane that turns around a central point
  5. 8. a bar that is free to turn on a fixed point called a fulcrum
  6. 10. advantage over the work completed
Down
  1. 1. a machine that combines two or more simple
  2. 3. a device that makes work easier with only one movement
  3. 6. an incline plane with two sloping sides instead of one
  4. 9. plane, a slanted surface or ramp