BBC Learning Zone Clips

CLIP 10

Frequency and pitch

Frequency and pitch
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Key Info
  • Frequency and pitch
  • Duration: 01:13
  • Stella talks about frequency, which is a measure of the number of sound vibrations per second. A high frequency is the same as a high pitch or note. Amplitude, which is different from frequency or pitch, is a measure of the loudness or the size of the sound vibrations. A cartoon is used to illustrate the difference between frequency and amplitude.
  • Subject:

    Physics

       
  • Keywords: sound, energy, frequency, pitch, vibration, amplitude
Ideas for use in class
  • An explanation of frequency and amplitude, leaving the pupils to decide what is changing - frequency or amplitude.
Background details
  • Clip language : English
  • Aspect ratio : 4x3

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