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Sound and Light

  • Game Code: 1865219
  •  English    20     Public
    Science4 sound and light
  •   Study   Slideshow
  • _____________ is a back and forth motion
    vibration
  •  15
  • What do you call the substance through which waves travel?
    medium/media
  •  15
  • _____________ is a device that uses light from the sun to produce electricity.
    solar cell
  •  15
  • Sound is a type of ___________ energy.
    kinetic
  •  15
  • TRUE or FALSE. All sound begins with a media.
    False. All sound begins with vibration.
  •  15
  • What is vibration?
    is a back and forth motion of particles
  •  15
  • A sound wave is made of ___________ and _________.
    compressions and rarefactions
  •  15
  • Which regions are compressions?
    B and D
  •  15
  • Which regions are rarefactions?
    A and C
  •  15
  • TRUE or FALSE. Sound waves need a medium to travel.
    TRUE
  •  15
  • Which medium does sound wave travel the fastest?
    liquid
    gas
    solid
  •  15
  • Which medium does sound wave travel the slowest?
    liquid
    gas
    solid
  •  15
  • TRUE or FALSE. Sound can travel in space.
    FALSE
  •  15
  • TRUE or FALSE. Light cannot transfer energy only sound can.
    FALSE
  •  15
  • Give 2 uses of the Sun's energy.
    answers may vary
  •  15
  • What are these?
    solar cells
  •  15
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