When you measure an object's temperature you measure the?
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Likewise, people ask, how are temperatures measured?
One of the most common devices for measuring temperature is the glass thermometer. This consists of a glass tube filled with mercury or some other liquid, which acts as the working fluid. Temperature increase causes the fluid to expand, so the temperature can be determined by measuring the volume of the fluid.
Additionally, how do you measure low temperature? Ethanol-filled thermometers are used in preference to mercury for meteorological measurements of minimum temperatures and can be used down to −70 °C (-94 °F). The physical limitation of the ability of a thermometer to measure low temperature is the freezing point of the liquid used.
Likewise, how do we measure air temperature?
Air temperature is measured with thermometers. Common thermometers consist of a glass rod with a very thin tube in it. The tube contains a liquid that is supplied from a reservoir, or "bulb," at the base of the thermometer. Sometimes the liquid is mercury, and sometimes it is red-colored alcohol.
Can temperature be measured directly?
Temperature is measured with a thermometer . The basic operating principle behind all thermometers is that there is some quantity, called a thermometric variable , that changes in response to changes in temperature. There is no way to measure temperature directly.