Physics instructors can enrich, enliven, and enhance their courses with conceptually rich cosmology content. In this paper, we specifically discuss how instructors can integrate lessons on Hubble’s law (as it relates to the expansion of the universe and dark energy) and spiral galaxies’ rotation curves (as they relate to the presence of dark matter) into an introductory, college-level course on mechanics. These cosmology topics intersect with the content of introductory physics in a number of areas, such as students’ abilities to read and interpret graphs and their conceptual understandings of both kinematics and dynamics. Throughout this paper, we draw upon the results from, and research-validated curricula informed by, physics and astronomy education research. In particular, we feature the results from a national study we recently completed with introductory college-level general education astronomy students on the teaching and learning of cosmology.
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May 01 2012
Teaching physics with Hubble’s law and dark matter
Colin S. Wallace;
Colin S. Wallace, Edward E. Prather; Teaching physics with Hubble’s law and dark matter. Am. J. Phys. 1 May 2012; 80 (5): 382–390. https://doi.org/10.1119/1.3684469
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