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E-STAR - Student
E-Lecture - Heat

The terms “temperature” and “heat” are often used interchangeably in everyday language. In physics, however, these two terms have very different meanings. In this section we’ll define temperature and see that heat refers to energy transfer caused by temperature differences and learn how to calculate and control such energy transfers.

Key terms

  • Heat is a form of energy that flows from a body at a higher to a body at a lower temperature.