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Which statement best describes heat and thermal energy?

They are different words for the same thing.
They represent different concepts.
Heat is what happens when thermal energy stops moving between substances.
Thermal energy is what happens when heat moves between substances.

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Answered by GPT-5 mini AI
They represent different concepts.

Thermal energy is the internal energy of a body due to the microscopic kinetic and potential energies of its particles (a property of the system). Heat is energy in transfer between systems caused by a temperature difference (not a property of a system). For example, a hot cup has thermal energy; heat is the energy that flows from the cup to the cooler air.