Chapter 12. Heat & Thermodynamics (Class XI)

Heat is a form of energy that can be transferred from one object to another or even created at the expense of the loss of other forms of energy. To review, temperature is a measure of the ability of a substance, or more generally of any physical system, to transfer heat energy to another physical system. Thermodynamics is the branch of physics that deals with the relationships between heat and other forms of energy. ... Thermal energy is the energy a substance or system has due to its temperature, i.e., the energy of moving or vibrating molecules, according to the Energy Education website of the Texas Education Agency.