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olya-2409 [2.1K]
3 years ago
7

A thermometer that uses a liquid to measure temperature works because

Physics
2 answers:
pav-90 [236]3 years ago
6 0
The liquid in a thermometer is sometimes colored alcohol but can also be a metallic liquid called mercury. Mercury and alcohol expand when heated and shrink when cooled. Inside the glass tube of a thermometer, the liquid has no place to go but up when the temperature is hot and down when the temperature is cold. That's how a thermometer that uses liquid to measure temperature.
PSYCHO15rus [73]3 years ago
5 0
A rule of thumb is that liquid expands when heated, so when liquid is in a given space one can measure how far the liquid moves when it gets heated.
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