Waves

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Across
  1. 3. the number of waves passing a fixed point per secs.
  2. 4. A wave that the oscillations are perpendicular to the direction of energy transfer.
  3. 7. maximum displacement.
  4. 8. the top/highest point of the wave
  5. 10. change in direction.
  6. 11. A wave that the oscillations are parallel to the direction of energy transfer.
Down
  1. 1. distance from one point of the wave to the equivalent point.
  2. 2. quality of sound.
  3. 5. sound turning up or down.
  4. 6. vibrations that travel through the air or another medium.
  5. 9. lowest point of the wave.
  6. 11. natural sight