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5 Written questions

5 Matching questions

  1. constructive interference
  2. Examples of mechanical waves
  3. EM Wave
  4. diffraction
  5. medium
  1. a any substance that a wave moves through
  2. b Sound, ocean waves, earthquakes
  3. c electromagnetic wave; moves energy through space (sometimes empty space, sometimes through a medium)
  4. d the spreading out of waves through an opening or around the edges of an obstacle
  5. e when waves combine to a larger amplitude

5 Multiple choice questions

  1. a straw looks "broken" when you look at it in a glass of water (because the light bends when it enters the water)
  2. the meeting and combining of waves
  3. the bouncing back of a wave as it strikes a barrier
  4. when waves cancel each other out
  5. the number of waves passing a fixed point in a certain amount of time; it is based partly on wavelength (longer wavelengths take a longer time to pass) and partly on the speed the wave travels

5 True/False questions

  1. refractionthe bouncing back of a wave as it strikes a barrier

          

  2. mechanical waveelectromagnetic wave; moves energy through space (sometimes empty space, sometimes through a medium)

          

  3. trough
    lowest point (valley) of a wave

          

  4. waveelectromagnetic wave; moves energy through space (sometimes empty space, sometimes through a medium)

          

  5. reflection examplesa straw looks "broken" when you look at it in a glass of water (because the light bends when it enters the water)

          

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