science crossword

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Across
  1. 2. A device with moving parts that helps perform a task
  2. 6. Advantage The gain in force when using a machine
  3. 8. A circular object that rolls easily
  4. 12. Circular movement around a center point
  5. 14. The rate at which something moves
  6. 16. A rotating wheel with teeth that transfers motion
  7. 18. A rod that supports a rotating wheel
  8. 19. A push or pull acting on an object
  9. 20. A system of connected parts working together
  10. 21. What is put into a machine to make it work
  11. 24. A force that resists movement between surfaces
Down
  1. 1. The path along which something moves
  2. 3. Plane A sloped surface used to raise objects
  3. 4. The ability to do work
  4. 5. A simple machine used for splitting
  5. 6. Movement from one place to another
  6. 7. A group of connected parts that move together
  7. 9. An object that is being moved or lifted
  8. 10. The result or product of a machine
  9. 11. A wheel and rope system used to lift objects
  10. 13. A simple machine with a bar that pivots on a point
  11. 15. How well a machine uses energy
  12. 17. The force used to move a load
  13. 22. A spiral device used to hold or lift materials
  14. 23. Force applied over a distance