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Browning, Fred; Moore, Kaitlyn; Campos, Jennifer – Physics Teacher, 2019
The possibility of negative temperatures on the Kelvin scale is intriguing and confusing simultaneously. This is because students are used to thinking of temperature as a measure of the internal energy of a system. While this concept is good for many systems, it does not work for all systems. Nuclear and electron spin systems, along with lasers…
Descriptors: Science Instruction, Scientific Concepts, Concept Formation, Computer Simulation