Simple Machine

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Across
  1. 1. Used to cut things
  2. 5. Used to move things by rolling
  3. 6. Has three classes
  4. 8. Proccess used to separate salt and water
  5. 10. Used to seperate gravel and water
  6. 11. Another word for inclined plane
  7. 12. Used to raise or lower things
Down
  1. 2. Person who was a cartoonist (last name)
  2. 3. Used to hold things together
  3. 4. We show this by helping our groups out
  4. 7. Used to separate powder and water
  5. 9. Anything you change in an experiment