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16.3 Chemistry

Vocabulary Words

QuestionAnswer
external combustion energy an engine that burns fuel outside the engine
internal combustion energy a heat engine in which the fuel burns inside the engine
central heating system a heating system that heats many rooms from one central location
heat pump a device that reverses the normal flow of thermal energy
refrigerant a fluid that vaporizes and condenses inside the tubing of a heat pump
Created by: MarieElyn
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