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Sound Wave

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  • Sound waves need to travel through a medium, or material. True or False?
    True
  • You can hear a scream in outer space. True or False?
    False, Sound wave need medium
  • What type of wave is a sound wave: longitudinal or transverse?
    longitudinal
  • How high or low a sound is called the ....
    Pitch
  • Part of longitudinal wave where the particles are spread apart is called _______
    Rarefaction
  • The number of waves that pass a fixed point in a given unit of time is called ....
    Frequency
  • Sound is caused by ...
    Vibration
  • The speed of sound travels SLOWEST in which medium?
    Gas
  • The speed of sound travels FASTEST in which medium?
    Solid
  • An increase in amplitude will result in volume going down. True or False?
    False. It will go up
  • If you want to increase volume you must increase frequency. True or False?
    False. You increase amplitude
  • Part of longitudinal wave where the particle are crowded together is called _________
    Compression
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