Simple Machine

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Across
  1. 6. A simple machine that is a flat surface placed at an angle.
  2. 8. A simple slope used to go up or down.
  3. 10. A round part in the center of a wheel that helps it turn.
  4. 12. A push or a pull.
  5. 13. A wheel fixed to a central rod that turns with it.
  6. 14. A simple machine with a spiral thread
Down
  1. 1. When you use a force to move an object over a distance
  2. 2. The central rod of a wheel
  3. 3. A simple machine that is thick on one side and pointy on the other, used to cut or split things
  4. 4. The weight or opposition a machine works against.
  5. 5. A tool used to make a job easier.
  6. 7. How well a machine converts input work into output work.
  7. 9. A wheel with a rope, used to lift things
  8. 11. The object or weight being moved.
  9. 13. Moving something over a distance using force.