Simple Machines Crossword

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Across
  1. 1. Man's best friend
  2. 3. Flying mammal
  3. 5. Inclined plane wrapped around a shaft
  4. 7. Likes to chase mice
  5. 9. machine Machine that makes work easier
  6. 10. Has a trunk
  7. 13. Used to split, tighten or secure a hold.
Down
  1. 2. Wheels with teeth
  2. 4. Reduced when surfaces are smooth
  3. 6. Can assist to lift a weight
  4. 8. plane Slanted surface or ramp
  5. 11. Wheel that has a rope running over it
  6. 12. Rod that allows wheel to turn
  7. 13. A force acting on an object