Topic 2: Waves and Electromagnetic Radiation

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Across
  1. 4. the matter a wave travels through
  2. 7. a wave that travels in the same direction as source's motion
  3. 8. the number of times a wave repeats in a given amount of time
  4. 9. any disturbance that transfers energy from place to place
  5. 10. low point of wave
  6. 12. energy of a wave is transferred to the material it encounters
  7. 15. determined by the distance it travels before it starts to repeat
  8. 16. a wave's energy is directly __________ to frequency
  9. 17. high point of wave
  10. 19. waves transmit ______ from place to place
  11. 21. the law of reflection states that the ____ of incidence equals the ____ of reflection
  12. 24. points of zero amplitude
  13. 25. the bending of waves due to a change in speed
  14. 26. halfway between crest and trough
Down
  1. 1. empty space
  2. 2. when a wave bounces off and heads in a different direction
  3. 3. travels perpendicular to the direction of the source's motion
  4. 5. unit of measurement for frequency
  5. 6. electromagnetic waves are unique in that they can travel _____ a medium
  6. 11. a unit of measurement for energy
  7. 13. combinations of transverse and longitudinal waves
  8. 14. when waves combine to form a larger wave or they cancel out
  9. 18. a wave that appears to stand in one place
  10. 20. an increase in the amplitude of a vibration
  11. 22. the scattering or bending of waves around objects
  12. 23. distance between highest crest and resting position