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5 Written questions

5 Matching questions

  1. destructive interference
  2. mechanical wave
  3. medium
  4. refraction examples
  5. reflection
  1. a a straw looks "broken" when you look at it in a glass of water (because the light bends when it enters the water)
  2. b waves that transfer energy through matter
  3. c any substance that a wave moves through
  4. d the bouncing back of a wave as it strikes a barrier
  5. e when waves cancel each other out

5 Multiple choice questions

  1. for transverse waves: the distance between the resting point (or equilibrium) to the crest or trough
  2. mirror (light waves), echo (sound waves), RADAR (radio waves)
  3. Radio, infrared (IR), light
  4. the spreading out of waves through an opening or around the edges of an obstacle
  5. 1) 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)

5 True/False questions

  1. wavea disturbance that transfers energy from one place to another


  2. frequency
    highest point (peak) of a wave


  3. EM Wavea disturbance that transfers energy from one place to another


  4. interferencethe 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. Examples of mechanical wavesSound, ocean waves, earthquakes


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