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POPS Sound Magnetism and Energy

Quiz by D

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30 questions
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  • Q1
    A mosquito beats its wings at 600 wingbeats per second. The 600 wingbeats per second is the
    wavelength
    frequency
    amplitude
    speed
    30s
  • Q2
    The frequency of a sound wave is heard as the
    volume
    pitch
    wavelength
    speed
    30s
  • Q3
    The amplitude of a wavelength is heard as the
    volume
    wavelength
    speed
    pitch
    30s
  • Q4
    The speed of sound is 340 m/s. What distance does sound travel in 8 seconds?
    348 m
    2720 m
    332 m
    42.5 m
    30s
  • Q5
    The speed of sound is 340 m/s. How much time does it take sound to travel 1000 m?
    0.34 s
    3.4 s
    2.94 s
    340000 s
    30s
  • Q6
    When you extend a trombone, you make it longer - this
    decreases pitch
    decreases volume
    increases pitch
    increases volume
    30s
  • Q7
    Compared to a long guitar string, a short guitar string will sound
    higher volume
    lower pitch
    lower volume
    higher pitch
    30s
  • Q8
    When a motorcycle drives by you, the pitch goes from high to low. This is known as
    resonance
    wavelength
    interference
    the doppler effect
    30s
  • Q9
    When an up-wave meets a down-wave, what happens?
    They add - destructive interference
    They add - constructive interference
    They cancel - destructive interference
    They cancel - constructive interference
    30s
  • Q10
    When an opera singer sings a loud note at the natural frequency of a glass, the glass can shatter. This is known as
    interference
    resonance
    wavelength
    doppler effect
    30s
  • Q11
    When the north pole of a magnet is held near the north pole of another magnet, they
    resolve
    confer
    attract
    repel
    30s
  • Q12
    What do all magnetic objects have in common?
    resonance
    a compass
    made of iron
    spinning electrons
    30s
  • Q13
    Which way does magnetic field point (think of the lab)
    away from W towards E
    away from S toward N
    away from N towards S
    away from E towards W
    30s
  • Q14
    Can a frog be magnetic
    Yes, but only if all of its electrons spins are aligned
    Yes, but only if it eats a lot of iron
    No
    30s
  • Q15
    What type of energy does a moving object have
    potential
    internal
    kinetic
    chemical
    30s

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