Thermal conduction experiment. A metal coin and a plastic button on thermochromic paper. The experimenter placed their fingers on both for a short while. When they removed their fingers, the thermochromic paper under the coin had changed colour, indicating a change in temperature. This shows that metal is a good conductor of heat, and plastic is a poor conductor.
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Creative#:
TOP15985935
Source:
達志影像
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RM
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