Difference Between Temperature and Thermal Energy

Difference Between Temperature and Thermal Energy

What is Temperature?

Temperature is a physical property, characterizing the average kinetic energy of the particles of a macroscopic system in thermodynamic equilibrium. It is a property of the matter, which quantifies the concepts of warm and cold. Warmer bodies have a higher temperature than the cooler ones.

The temperature plays an important role in all areas of the natural sciences – physics, geology, chemistry, atmospheric sciences, and biology. Many of the physical properties of the substances, including the solid, liquid, gaseous, or plasma phase, density, solubility, vapor pressure, and electrical conductivity, depend on temperature. The temperature also plays an important role in the determination of the speed and scope of chemical reactions.

Quantitatively the temperature is measured with thermometers. Three temperature scales are currently used in science and industry. Two of them are on the SI system – the Celsius and the Kelvin scales. The Fahrenheit scale is mainly used in the United States.

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