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Sound and Waves Unit Test Review

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    Review for upcoming test on sound and waves
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  • What is being transferred with a wave?
    Energy
  •  15
  • Increasing the amplitude means you are increasing the _____ of a wave.
    energy
  •  10
  • What is the highest point of a wave called?
    Crest
  •  10
  • What is the lowest point of a wave called?
    trough
  •  10
  • _____ is the distance between crest and crest OR trough to trough.
    Wavelength
  •  15
  • _____ is how far the wave travels from the rest position.
    amplitude
  •  10
  • How is a light wave different from all mechanical waves?
    Light does not need a medium to travel
  •  20
  • A wave that has compressions and rarefactions is what kind of wave?
    Longitudinal
  •  10
  • A wave that has crests and troughs is what kind of wave?
    Transverse
  •  10
  • Waves that need a medium are called ____.
    Mechanical
  •  5
  • Why can't you hear sound in space?
    There is no air in space for sound to travel through (no medium)
  •  5
  • What is the unit for frequency?
    Hertz
  •  15
  • What causes the refraction of a wave?
    density of the medium changing
  •  10
  • What color do we see if all light is reflected?
    white
  •  20
  • Which type of wave does not need a medium to travel through?
    electromagnetic
  •  15
  • If a wave goes around something that gets in the way, is that reflection, diffraction, or refraction?
    diffraction
  •  20