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CLIP 8460

Changing state – whipping cream and butter

Changing state – whipping cream and butter
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Key Info
  • Changing state – whipping cream and butter
  • Duration: 03:22
  • Presenter Dr Yan explains the chemical changes which take place when cream is whipped. He creates whipped cream by making lots of air bubbles before making butter as the fat separates completely from the liquid. Published as part of the Bang Goes the Theory website: bbc.co.uk/bang/. Please note this clip is only available in Flash.
  • Subject:

    Science

       Topic:

    Changing Materials: Reversible Change

  • Keywords: chemistry, molecules, emulsion, homogenisation, cooking, food, BangGoesTheTheory
Ideas for use in class
  • Use as a stimulus for an investigation into changes of state. Reproduce the experiment with pupils. Pupils could produce a labelled diagram at various stages throughout the process to explain the chemical changes and changes of state.
Background details
  • Clip language : English
  • Aspect ratio : 16x9

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