Bimetal strip

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Back to 4A - Thermal properties of matter
PIRA index: 4A30.10

Description

The difference in the coefficient of thermal expansion of two connected parallel metal strip will cause them to bend when heated.

Equipment

  • Bimetal strip
  • Heat source (candle or torch)

Instructions

Start with strip mostly straight at room temperature. Heat the strip. Observe the strip bend.


Keywords

thermal expansion, metal strip

Images & Movies

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