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Bimetallic Strips

Two metal strips composed of different types of metal sit on the bench top.

Concept Overview

1. Differential Contraction and Expansion

2. Visualization of differences in the expansion coefficients of materials

Lecturer Instructions

Task(s)Expected Result
1. Hold strip into the flame of a bunsen burnerStrip will bend due to different expansion coefficients
1. Hold strip in a dewar of liquid nitrogen for a few secondsStrip will bend due to different expansion coefficients.
Category
Transcript

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Identifier
T: H - 003