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022 _a0031-921X
037 _bRIEBPL Library
082 _a530.071
100 _aT. Ryan Rogers
245 _a Hands-on Model for Investigating Entropy and Disorder in the Classroom
_b(Journal Article)
260 _aWashington , DC
_b American Association of Physics Teachers
_c September 2023
300 _a 439–443 p.
490 _a American Association of Physics Teachers ,American Institute of Physics, Volume 61, Issue 6
505 _a***______{For Hard Copy, Please visit Library.}________***
520 _aAbstract- A sound understanding of entropy is essential for any rounded education in thermodynamics and many other disciplines of physical science. However, students with a poor understanding of this important topic may be found across all education levels, often conflating entropy with disorder. Many teachers wish to instill an understanding of the quantitative definition of entropy—a function of the number of accessible energy states (Fig. 1). This demonstration explains entropy in a visually interesting manner, using handheld containers of simple objects to model entropically driven processes in systems of noninteracting particles. Within the containers, a spontaneous increase of entropy results in increased visual order, consistent with an increase in the number of available energy states. A failure of the notion that entropy is disorder is also exposed. Because the demo models microscopic particles directly, no analogy is required to translate conclusions into “real” systems. After activities involving these models, students... A sprocket is a profiled wheel with teeth that mesh with a chain, track, or other perforated or indented material. Sprockets are used in bicycles, motorcycles, tracked vehicles, and other machinery to transmit rotary...
650 _aEntropy and Disorder
650 _aModel for Investigating
650 _aHands-on Model
650 _aEntropy and Disorder in the Classroom
856 _uhttps://doi.org/10.1119/5.0089761
942 _cPER
999 _c44915
_d44914