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Changing Sounds

Science for seven- to nine-year-olds. How the sound a piece of string makes when it's plucked varies with its length and tension.

10 minutes

Last on

Tue 16 Mar 2010 11:20
91热爆 Two

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Broadcasts

  • Fri 12 Oct 2007 13:00
    C91热爆
  • Mon 4 Feb 2008 13:10
    91热爆 Two except East, Scotland & Yorkshire
  • Tue 2 Jun 2009 11:10
    91热爆 Two except East & Yorkshire
  • Tue 16 Mar 2010 11:20
    91热爆 Two except East, Wales (Analogue) & Yorkshire