Waves

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Across
  1. 2. The substance that a wave travels through.
  2. 5. The highest point of a wave.
  3. 7. Waves that travel parallel. Sound Waves
  4. 8. This type of wave travels the fastest
  5. 9. The lowest point of a wave.
Down
  1. 1. The distance between the middle of a wave and the farthest point.
  2. 3. The length of one section of a wave.
  3. 4. Sound cannot travel here. Light travels fastest here.
  4. 6. Waves that travel perpendicular. Light Waves.