lab

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Across
  1. 3. number of waves that pass a fixed place in a given amount of time.
  2. 4. where air particules are furthest apart
  3. 9. known as a compression wave
  4. 10. a form of solid, liquid, gas that something goes through
Down
  1. 1. the way waves travel
  2. 2. moves back an fourth quickly to create sound
  3. 5. where air particules are closest together
  4. 6. vertical distance from the equilbrium point to it's crest
  5. 7. a type of longitudinal wave
  6. 8. the absence of matter