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Polystyrene cups are used for measuring temperature because they are excellent insulators, minimizing heat exchange with the environment and allowing for more accurate temperature readings. In contrast, copper cans are good conductors of heat and would quickly transfer heat to or from the contents, leading to potential inaccuracies in the measurement. Additionally, polystyrene is lightweight, inexpensive, and disposable, making it practical for one-time use in experiments and measurements.

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2w ago

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