Science

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Across
  1. 3. two different sized circular objects that are attached together and turn as one
  2. 5. an inclined plane wrapped around a cylinder
  3. 7. energy cannot be created or destroyed
  4. 10. the rate at which work is done
  5. 11. a rigid bar that is free to move around a fixed point
  6. 12. a simple machine that consists of a rope that fits into a groove in a wheel
  7. 13. the ability to do work
Down
  1. 1. a machine that does work with only one movement
  2. 2. energy of motion
  3. 4. stored energy
  4. 6. force x distance
  5. 8. a simple machine that is an incline plane that moves
  6. 9. a slanted walk or roadway that connects a lower to a higher place