Catch a Wave

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Across
  1. 1. the matter that a mechanical wave travels through
  2. 6. a wave in which the matter moves in a pattern parallel to the direction that the wave travels
  3. 7. a representation of a situation which makes important aspects easy to see
  4. 8. a wave made of a single disturbance that does not repeat
  5. 9. a wave in which the matter moves in a circular pattern that is sometimes parallel and sometimes perpendicular to the direction that the wave travels
Down
  1. 2. a wave in which particles of matter move back and forth
  2. 3. one complete motion of the repeating pattern of a wave
  3. 4. a wave in which the matter moves in a pattern perpendicular to the direction that the wave travels
  4. 5. a disturbance that carries energy, but not matter, from one place to another