Simple Machines Review

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Across
  1. 3. Mass
  2. 6. Axle
  3. 8. Force
  4. 9. Complex
  5. 10. Push
  6. 11. Wedge
  7. 12. Weight
  8. 14. Pull
  9. 17. Inclined Plane
  10. 19. Gravity
Down
  1. 1. Pulley
  2. 2. Ramp
  3. 4. Simple
  4. 5. Machine
  5. 7. Screw
  6. 12. Wheel
  7. 13. Heavy
  8. 15. Light
  9. 16. Lift
  10. 18. Lever