DIY Thermometer | ThinkTac | DIY Science
Channel: ThinkTac
Date: 2021-10-21

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. Generally, matter of all forms expand and contract, on heating and cooling, respectively. This principle is used in thermometers, where the expansion of liquid mercury helps in determining the temperature. In this TACtivity, we will make and explore a non-mercury-based thermometer, using a test tube filled with propanol and a straw acting as the capillary tube.

To explore further and get your questions answered, visit the TACtivity homepage at - 
https://www.thinktac.com/tactivity/TCM06
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