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Science T4W3 Review

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  • Sounds .............. through from solids, liquids and gases. (travel / vibrate / make / play)
    vibrate
  • Sounds travel because vibrations ................. (travel / vibrate)
    travel
  • how loud or soft a sound is.
    volume
  • what does 'dB' stand for?
    decibel
  • Which materials does the sound travel in the string telephone?
    a string
  • True or FalseL Vibrations move from the vibrating object through materials.
    True
  • a machine for measuring the volume of sounds.
    sound level meter
  • Give me one example of soft sound
    done
  • Which material does the sound best go through? (sollids / liquids / air)
    solids
  • Big vibrations make ................... sound.
    loud
  • TRUE or FALSE? Trapping the sound vibrations makes the sounds louder.
    True
  • Where something comes from.
    source
  • Sounds .................. (always / sometimes) come from sources.
    always
  • True or False: Sounds travels because vibrations travel.
    True
  • Object vibrates make a ....................
    sound
  • the unit for measuring the volume of sounds.
    decibel
  • To move from one place to another.
    travel
  • Why are some sounds loud and the others soft?
    vibrations
  • What is the source of sound in the string telephone?
    a speaker's voice
  • Give me one example of loud sound
    done
  • To shake very quickly back and forth.
    vibrate
  • Is an ambulance loud or soft sound?
    loud
  • Small vibrations make ................... sound.
    soft
  • Is a whisper loud or soft sound?
    soft
  • A very small movement backwards and forwards
    vibration
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