write five example of contraction and expansion with their usefulness in daily life
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ok so I don't want it will take me a long long day trial and
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- 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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