Waves

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Across
  1. 2. the substance that carries a wave from one location to another
  2. 4. the lowest part of a wave
  3. 5. the abrupt change in the wave's propagation direction
  4. 6. reflection, refraction, and dispersion
  5. 7. object that does not let light pass through
  6. 10. a wave vibrating in the direction of propagation
  7. 11. allows some frequencies of visible light to pass through
  8. 12. distance between identical points
Down
  1. 1. the change in direction of a wave passing from one medium to another caused by its change in speed
  2. 3. the highest part of a wave
  3. 8. maximum distance moved by a point
  4. 9. a wave of compression and rarefaction
  5. 11. a wave vibrating at right angles to the direction of its propagation