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5 Written Questions

5 Matching Questions

  1. period
  2. wavelength
  3. diffraction
  4. sonar
  5. mechanical wave
  1. a the bending of a wave as it moves around an obstacle or passes through a narrow opening
  2. b a disturbance in matter that carries energy from one place to another
  3. c a technique for determining the distance to an object under water
  4. d the distance between a point on one wave and the same point on the next cycle of the wave. (crest to crest/ trough to trough)
  5. e the time required for one cycle, a complete motion that returns to its starting point

5 Multiple Choice Questions

  1. any motion that repeats at regular time intervals
  2. the number of complete cyles in a given time
  3. is the rate at which a wave's energy flows through a given area
  4. occurs when two or more waves overlap and combine together
  5. an area where the particles in a medium are spread out

5 True/False Questions

  1. compressionoccurs when a wave bounces off a surface that it cannot pass through.


  2. amplitudethe maximum displacement of the medium from its rest position


  3. more energythe number of complete cyles in a given time


  4. pitchthe frequency of a sound as you perceive it


  5. middle earuses nerve endings to sense vibrations and send signals to the brain---cochlea, auditory nerve


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