Waves

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Across
  1. 3. move at right angles (perpendicular) to the direction the wave is traveling
  2. 6. move along the same direction (parallel) to the direction the wave is traveling
  3. 7. the most dense region of a longitudinal wave
  4. 8. the less dense region of a longitudinal wave
Down
  1. 1. the distance between one point on a wave and the nearest point just like it
  2. 2. matter through which a wave travels
  3. 3. low points on a transverse wave
  4. 4. a repeating disturbance that transfers energy through matter or space
  5. 5. high points of a transverse wave
  6. 9. measure of the size of a disturbance from a wave