BBC Learning Zone Clips

CLIP 8452

Hot air balloons powered by a toaster

Hot air balloons powered by a toaster
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Key Info
  • Hot air balloons powered by a toaster
  • Duration: 01:55
  • Hot air balloons are powered by hot air, which is lighter than the surrounding cooler air. Presenter Dr Yan Wong demonstrates how an ordinary toaster can be used to fly a hot air balloon. 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: convection, heat, expansion, molecules, BangGoesTheTheory, investigation
Ideas for use in class
  • Pupils could explain the experiment using labelled diagrams and key scientific vocabulary. Use as a stimulus for pupils' own research into hot air balloons and convection. Pupils could design their own convection experiments. Use to explain concepts including convection and condensation.
Background details
  • Clip language : English
  • Aspect ratio : 16x9

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