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To demonstrate unequal expansion in different metals on heating. Highlights the role of temperature and materials in practical applications such as in thermostats. Consists of a laminated strip of two different metals fitted in a plastic handle. The strip is about (l x w), 8"x3/8" (200 x 10mm). Due to differences in the coefficients of linear expansion of both metals, the laminated strip bends dramatically on heating.
Comes with a Teacher's Guide.