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CLIP 10670

Heat transfers and the vacuum flask

Heat transfers and the vacuum flask
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Key Info
  • Heat transfers and the vacuum flask
  • Duration: 01:49
  • Two presenters show how a vacuum flask prevents heat loss. Detail of the design of the flask to prevent conduction, convection, radiation and evaporation is given. This includes the vacuum, silver-coloured inside and a lid.
  • Subject:

    Science

       Topic:

    Phys: Energy - Transformation

  • Keywords: heat, conduction, convection, radiation, vacuum, transfer
Ideas for use in class
  • This clip could be used to explain how a vacuum flask prevents heat loss. The presenters mention that it is a frequently chosen topic by examiners. Students could be given an exam question after watching the clip.
Background details
  • Clip language : English
  • Aspect ratio : 16x9

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