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Sound (grade 4)

Quiz by kuanmeng soo

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17 questions
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  • Q1
    Which is the louder sound?
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    30s
  • Q2
    Sound gets fainter if you walk away from a sound.
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    True
    False
    30s
  • Q3
    To change the volume of the sound of the drum, you must hit the drum …
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    in the same way
    softer
    in opposite direction
    harder
    30s
  • Q4
    The bigger the vibration, the louder the sound
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    False
    True
    30s
  • Q5
    Which is the quietest activity?
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    30s
  • Q6
    Sound is measured in …
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    degrees
    decibels
    litres
    millimetres
    30s
  • Q7
    Jose blows into bottles that are partly filled with water. The water vibrates to make the sound.
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    True
    False
    30s
  • Q8
    How many decibels was the reading of the sound level meter?
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    40 dB
    76.5 dB
    30 dB
    16.5 dB
    30s
  • Q9
    Sounds can be loud or soft. This is called
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    frequency
    pitch
    volume
    quality
    30s
  • Q10
    The shorter the column of air, the higher the pitch of sound.
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    False
    True
    30s
  • Q11
    Sammy could change the pitch of the sound of rubber band by …
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    plucking the rubber band harder
    using more rubber band
    putting a cloth on the rubber band
    changing the tightness of the rubber band
    30s
  • Q12
    In a drum, the … vibrates to make a sound.
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    air
    liquid
    skin
    string
    30s
  • Q13
    In a guitar, the … vibrates to make a sound.
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    air
    skin
    liquid
    string
    30s
  • Q14
    In pan pipes, the … vibrates to make a sound.
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    string
    skin
    liquid
    air
    30s
  • Q15
    You can change the volume of the sound of elastic band by changing how hard you pull the elastic bands.
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    True
    False
    30s

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