Waves

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Across
  1. 1. distance a wave travels over one unit of time
  2. 4. straight line that shows the direction of light
  3. 5. tiny bundle of energy; particle of light
  4. 9. wave that transfers energy thru empty space
  5. 11. type of wave in which the particles of the medium move back and forth in the direction of the wave motion
  6. 12. height of transverse wave
  7. 14. when a light has dissappeared in a medium it has been
  8. 15. unit used to measure the frequency of a wave
  9. 16. # of complete waves passing any given point
Down
  1. 2. reflected sound wave
  2. 3. distance between two neighboring crests or troughs
  3. 6. low point of a transverse wave
  4. 7. moving back and forth at regular speed
  5. 8. matter through which mechanical waves can travel
  6. 10. disturbance that transfers energy from place to place
  7. 13. wave type that transfers energy thru matter