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Properties of Sound

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  • What do we use to measure the amplitude of waves?
    Decibels
  • What is the vibration of sound waves reach the ear and our brain?
    A receiver
  • List one thing that makes sound waves different?
    Duration, pitch, intensity, timbre
  • When an object vibrates what does it emit?
    Waves
  • What do you call a piece of metal that emits the note La or A when hit.
    A tuning fork
  • What is pitch related to?
    Melody
  • What is it called when an object vibrates, it emits sound waves.
    An emitter
  • What is pitch?
    Pitch tells us if a sound is high or low.
  • What does pitch depend on?
    The wave frequency
  • What is it called when sound waves travel through the air or water at different speeds.
    Transmission channel
  • What do we use to measure the frequency of vibration?
    Hertz
  • What is another word for pitch?
    Tone
  • What is duration?
    Duration tell us if a sound is long or short.
  • How do we measure duration?
    Seconds
  • Who is John Cage and what conclusion did he reach?
    A North American composer that reached the conclusion that total silence does not exist.
  • What is timbre?
    Timbre helps us distinguish if what we hear is a voice, an instrument, an animal, or an object.
  • What is duration related to?
    Rhythm
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