'''Energetics''' is the study of energy, and may refer to: * Thermodynamics, branch of physics and chemistry that deals with energy, work and heat * Bioenergetics, field in biochemistry that concerns energy flow through living systems and cells * Energy flow (ecology), study of the energy balance through living things within an ecosystem * Energeticism, obsolete microscopic theory of chemistry * Energetic materials, refers to explosives, propellants or pyrotechnic materials which rapidly release energy when subjected to an initiating stimulus

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