Waves

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Across
  1. 3. amount of times a wave crosses a point
  2. 7. where longitudinal waves are close together
  3. 8. the top of a wave
Down
  1. 1. the bottom of a wave
  2. 2. a wave that moves up and down
  3. 4. where longitudinal waves are spaced apart
  4. 5. a wave that moves in and out
  5. 6. how tall waves are