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5 Written questions

5 Matching questions

  1. reflection
  2. wavelength
  3. Waves caused by vibrations of atoms
  4. refraction
  5. EM Wave
  1. a the bending of a wave as it enters a new medium at an angle other than 90 degrees
  2. b Infrared
  3. c the bouncing back of a wave as it strikes a barrier
  4. d
    the distance from one wave crest to the very next crest. (This may also be measured from trough to trough.)
  5. e electromagnetic wave; moves energy through space (sometimes empty space, sometimes through a medium - DOES NOT REQUIRE A MEDIUM)

5 Multiple choice questions

  1. the spreading out of waves through an opening or around the edges of an obstacle
  2. Sound, ocean waves, earthquakes

  3. for transverse waves: the distance between the resting point (or equilibrium) to the crest or trough
  4. when waves cancel each other out
  5. Radio, infrared (IR), light

5 True/False questions

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

          

  2. 2 relationships for waves1) speed and frequency = directly proportional
    (as speed goes up, frequency goes up)
    2) wavelength and frequency = inversely proportional
    (as wavelength gets longer, frequency goes down)

          

  3. mediumany substance that a wave moves through

          

  4. waveelectromagnetic wave; moves energy through space (sometimes empty space, sometimes through a medium - DOES NOT REQUIRE A MEDIUM)

          

  5. diffraction 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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