Waves

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Across
  1. 3. change in the direction of a wave passing from one medium to another.
  2. 5. electric and magnetic disturbance traveling through space at the speed of light
  3. 7. change in frequency that you hear when a source and an observer are moving with respect to each other.
  4. 8. spreading out of waves as they pass through an aperture or around objects
  5. 10. entire distribution of electromagnetic radiation according to frequency
  6. 11. substance that transfers the energy
  7. 12. type of wave in which the medium's vibration is parallel to the direction of the wave,
Down
  1. 1. distance a wave travels in a given amount of time
  2. 2. two waves travel in the same direction and are in phase with each other
  3. 4. light bounces off an object
  4. 6. distance between identical points
  5. 7. maximum displacement or distance moved by a point
  6. 9. number of waves that pass a given point
  7. 10. when waves come together so that they completely cancel each other out
  8. 11. wave in which the vibrating element moves in a direction perpendicular to the direction of advance of the wave.