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parts of a mercury thermometer

 

Definitions from the Web

Parts of a Mercury Thermometer

Description:

A mercury thermometer is a traditional instrument used for measuring temperature. It consists of several distinct parts that work together to provide an accurate reading.

Parts:

  1. Glass Tube: The main body of the thermometer, often made of glass, which contains the mercury.
  2. Bulb: The bottom of the glass tube where mercury is stored.
  3. Mercury: A silvery liquid metal that expands or contracts with temperature changes, indicating the temperature on the scale.
  4. Scale: A measurement scale printed on the glass tube, often in Celsius or Fahrenheit, used to indicate the temperature.
  5. Capillary: A narrow, enclosed tube connecting the bulb and the scale, allowing the flow of mercury as temperature changes.
  6. Calibration Markings: Graduations or markings on the scale that indicate specific temperature points for accurate measurement.
  7. Reservoir: A chamber above the bulb that stores excess mercury when the thermometer is tilted or not in use.
  8. Holder: A protective case or structure that holds the thermometer, ensuring it remains stable during use.

Sample Sentences:

  1. The glass tube of a mercury thermometer holds the mercury inside.
  2. When the temperature rises, the mercury in the bulb of the thermometer expands, giving a higher reading on the scale.
  3. Make sure to read the scale of the mercury thermometer accurately to obtain precise temperature measurements.
  4. It is important to handle a mercury thermometer with care to avoid any breakage.
  5. The reservoir of the thermometer allows excess mercury to accumulate when not in use, preventing spills.

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