The purpose of this article is to support reflections and didactic approaches concerning concepts of the complexity of physical systems. In particular, the complexity of the climate system in the context of global warming is discussed from an analogy with the human body and based on the concept of temperature. False criticisms of the idea of global temperature and possible responses to them are presented. After the climate system is characterized as complex, aspects of this complexity covered in climate models are addressed. Finally, the human body is used as a model of a complex system to discuss the complexity of the climate system. After all, why is the Earth sick?
Keywords
Complexity; Climate Models; Global Warming; Global Temperature; Physics Teaching.
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