Science, asked by yuvirakshi, 5 months ago

explain expansion and contraction​

Answers

Answered by rajendradahate151
2

Explanation:

Substances expand (increase in size) when they get warmer, and they contract (decrease in size) when they get cooler. This property can be useful. For example: Thermometers work because the liquid inside them expands and rises up the tube when it gets hotter.

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