Sound Waves Crossword Puzzle

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Across
  1. 4. solid,liquid,gas
  2. 6. produced by vibrations
  3. 7. far apart/spaced
  4. 8. quicker vibrations
  5. 9. otherwise knows as compression waves
Down
  1. 1. the way waves travel
  2. 2. close together
  3. 3. back and forth motion
  4. 5. the medium that sound can travel through the quickest
  5. 10. slower vibrations