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Study with Quizlet and memorize flashcards containing terms like What does temperature measure?, A thermometer will measure based on the _____ of a fluid., Density varies with...? and more.
Study with Quizlet and memorize flashcards containing terms like What are you measuring when using a thermometer?, What are the particles like when temperature is high?, Are particles closer together OR farther apart when the temperature is low? and more.
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Jul 16, 2024 · Thermometers are used to measure temperature according to well-defined scales of measurement, which use pre-defined reference points to help compare quantities. The three most common temperature scales are the Fahrenheit, Celsius, and Kelvin scales.
Three different scales are commonly used to measure temperature: Fahrenheit (expressed as °F), Celsius (°C), and Kelvin (K). Thermometers measure temperature by using materials that expand or contract when heated or cooled.
A thermometer works based on the principle of thermal expansion. When the temperature increases, the molecules in a substance move faster and take up more space, causing the substance to expand. In a liquid-in-glass thermometer, this substance is typically mercury or colored alcohol.
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Whatever it is that temperature is a measure of, it is reflected by the reading on a thermometer. So exactly how does a thermometer work? How does it reliably meter whatever it is that temperature is a measure of? Today, there are a variety of types of thermometers.