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Sound and Light

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  • Which regions are rarefactions?
    A and C
  • Which medium does sound wave travel the fastest?
    gas
    liquid
    solid
  • _____________ is a back and forth motion
    vibration
  • TRUE or FALSE. Sound can travel in space.
    FALSE
  • A sound wave is made of ___________ and _________.
    compressions and rarefactions
  • TRUE or FALSE. All sound begins with a media.
    False. All sound begins with vibration.
  • TRUE or FALSE. Sound waves only travel in one direction.
    FALSE
  • _______________ are regions of air that have many particles.
    rarefractions
    compressions
  • ___________ are regions of air that have fewer particles.
    rarefactions
    compressions
  • What do you call the substance through which waves travel?
    medium/media
  • Which medium does sound wave travel the slowest?
    solid
    liquid
    gas
  • Which regions are compressions?
    B and D
  • What is vibration?
    is a back and forth motion of particles
  • TRUE or FALSE. Sound waves need a medium to travel.
    TRUE
  • Sound is a type of ___________ energy.
    kinetic
  • Vibrations produced ________.
    sound
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