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Vibrations, amplitude and sound

Vibrations, amplitude and sound
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Key Info
  • Vibrations, amplitude and sound
  • Duration: 01:38
  • The presenter visits the Institute of Sound and Vibration Research in Southampton to see how powerful sound can be. The expert explains how sound is caused by vibrations and the bigger the vibration the louder the sound. The size of the vibration is called the amplitude. A drum, polystyrene balls, a tower of blocks, a glass plate and a speaker are used to demonstrate the sound generated by vibrations, and how those vibrations are transferred to other objects.
  • Subject:

    Science

       Topic:

    Phys: Waves - Sound and Light

  • Keywords: sound, amplitude, vibration
Ideas for use in class
  • Demonstration of key concepts.
Background details
  • Clip language : English
  • Aspect ratio : 4x3
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