Question

When heat transfers into a system, is the energy stored as heat? Explain briefly.

Answer 1

Generally yes, when you cook something the temperature goes up, storing heat that can be released later when the fire goes out.

Answer 2

Not necessarily. Energy is what is stored into a system by heat. It might be stored as different kinds of energy such as chemical energy, radiant energy, or kinetic energy to name a few. Heat is the spontaneous transfer of energy due to a temperature difference.