Open System
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Open System:
Imagine trying to maintain a consistent room temperature while leaving your windows and doors open. This situation is similar to an open system in science, where both matter and energy can enter and exit freely. Just as the open windows and doors allow outside air and temperature changes to influence the room's climate, an open system allows the exchange of matter and energy with its surroundings, affecting its internal conditions.

Practice Version

Open System: A physical system that allows transfer of matter and energy. Open system. An open system is one where matter and energy can enter and leave freely.