Bimetal strip

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