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Sound

Quiz by Pam Woith

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11 questions
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  • Q1
    If you press down on a piano key it makes a sound wave. Now you press the key harder, and it's louder. How did that change the sound wave?
    The sound's amplitude and energy increased.
    The sound's energy would decrease.
    The sound's frequency increased.
    The sound's wavelength increased.
    30s
  • Q2
    A frequency of one sound wave per second is...
    an intensity.
    a pitch.
    a decibel.
    a hertz.
    30s
  • Q3
    An echo is created when a sound is......
    refracted.
    reflected.
    absorbed.
    scattered.
    30s
  • Q4
    Sound waves moving in a regular pattern is...
    music.
    echoes.
    noise.
    none of the above
    30s
  • Q5
    Somebody yelling is an example of ....
    mechanical
    sound
    heat
    chemical
    30s
  • Q6
    Sound does not travel through....
    water.
    steel rails.
    outer space.
    wooden doors.
    30s
  • Q7
    The Doppler Effect changes the....
    resonance.
    intensity.
    pitch.
    loudness.
    30s
  • Q8
    The hammer, anvil , and stirrup are in the ....
    outer ear.
    cochlea.
    inner ear.
    middle ear.
    30s
  • Q9
    Sonar is used to find......
    angle of reflection.
    speed.
    distance.
    time.
    30s
  • Q10
    In what substance does speed travel the slowest?
    rubber
    water
    air
    steel
    30s
  • Q11
    Sound travels faster through 25 degrees Celsius than 0 degrees Celsius. This shows that sound travels......
    only at temperatures above 0 degrees Celsius.
    more slowly at lower temperatures.
    more slowly at higher temperatures.
    faster at lower temperatures.
    30s

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