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Sound Vocabulary


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Storyboard Description

Sound Vocabulary - wavelength definition - what is amplitude, frequency, compression, Rarefactions

Storyboard Text

  • Frequency is the number of waves to pass a point every second, measured in Hertz (Hz). The frequency of audible sound ranges from 20Hz to 20,000Hz.
  • Amplitude is the height of a wave, measured in meters (m). The higher the amplitude the higher the intensity of the wave.
  • Wavelength is the length of one wave, measured in meters (m).
  • Compressions
  • Sound
  • Rarefactions
  • The part of the wave where the particles are compressed together is called compression.
  • The part of the wave where the particles are spread out far apart is called rarefaction.

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