The degree of hotness and coldness of air is known as

The degree of hotness and coldness of air is known as temperature and is measured with a thermometer in degrees-Fahrenheit or degrees-Celsius. Mercury is the only one in the liquid state at room temperature. It is used in thermometers because it has a high coefficient of expansion. The flow of heat will be always from higher to lower temperature.

  • The higher the temperature, the faster the molecules of the substance move
  • The temperature usually decreases with increasing height.
  • The main factor that influences the temperature is the position of a place with respect to the sea.
  • The rate of decrease of temperature with height is called the normal lapse rate.

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