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5 Written questions

5 Matching questions

  1. amplitude
  2. wave
  3. refraction examples
  4. Waves caused by vibrations of atoms
  5. constructive interference
  1. a a disturbance that transfers energy from one place to another
  2. b a straw looks "broken" when you look at it in a glass of water (because the light bends when it enters the water)
  3. c when waves combine to a larger amplitude
  4. d Infrared
  5. e
    for transverse waves: the distance between the resting point (or equilibrium) to the crest or trough

5 Multiple choice questions

  1. the distance from one wave crest to the very next crest. (This may also be measured from trough to trough.)
  2. the meeting and combining of waves
  3. the spreading out of waves through an opening or around the edges of an obstacle
  4. any substance that a wave moves through
  5. when waves cancel each other out

5 True/False questions

  1. Examples of mechanical wavesSound, ocean waves, earthquakes


  2. refractionthe bending of a wave as it enters a new medium at an angle other than 90 degrees


  3. mechanical wavewaves that transfer energy through matter


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


  5. frequencythe 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