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A New Chart and Teaching Materials on Cosmology from CPEP

A New Chart and Teaching Materials on Cosmology from CPEP G Samuel Lightner 1 , M. Cherney 2 , G. Aubrecht 3 , R. Reiland 4 1 Westminster College, 2 Creighton University, 3 The Ohio State University, 4 Shady Side Academy for the Contemporary Physics Education Project.

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A New Chart and Teaching Materials on Cosmology from CPEP

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  1. A New Chart and Teaching Materials on Cosmology from CPEP G Samuel Lightner1, M. Cherney2, G. Aubrecht3, R. Reiland41Westminster College, 2Creighton University, 3The Ohio State University, 4Shady Side Academy for the Contemporary Physics Education Project CPEP and the Cosmology Chart The Contemporary Physics Education Project (CPEP), a volunteer non-profit corporation of educators and scientists that has been developing materials to support the introduction of contemporary physics topics into high school and college introductory physics for 20 years, recently introduced a teaching chart on cosmology: The History and Fate of the Universe. The chart is available in three sizes, each size is four times larger than the previous: a notebook (placemat) size, a poster size as displayed at the right, and a wallchart size. CPEP member and contributor to the Cosmology Chart, George Smoot, with his 2006 Nobel Prize. Cosmology Activities Standard Candle Measurements “Standard Candle” is the general term for bright objects of known actual luminosity (intrinsic brightness) that can be used to measure astronomical distances. This activity uses intensity measurements of a light source to demonstrate how standard candles are used and to determine a typical pattern of light intensity versus distance from the source. Modeling the Expansion of the Universe Since the Big Bang, the Universe has been expanding. Hubble’s Law describes this expansion and states that the further a galaxy is from an observation point, the faster it recedes from that point. This activity shows a one-dimensional representation of this expansion, allowing students to study this relationship and gain a better understanding of the expansion of space. Stretching of Light Waves with Expansion of the Universe Simulation This activity includes a visual one-dimensional model of the scale features of the evolution of the universe. Simulation of Galaxy Formation by Seeding with Dark Matter A key feature of our current understanding of how matter condensed to form structures from stars to superclusters of galaxies is the role played by dark matter. This activity provides a hands-on physical model of the seeding of galaxy formation by dark matter. Cosmic Calendar The Cosmic Calendar makes the huge amounts of time involved in the evolution of the universe somewhat more tractable. The evolution of the universe is scaled to fit onto a one-year calendar with the Big Bang occurring at the first moment of the year, 12:00AM January 1 and present day appearing at the last possible moment of the year, on December 31. The back side of the notebook (placemat) size chart The Universe AdventureThe Universe Adventure, an internet tutorial related to the chart, is coming on line through the efforts of collaborating scientists at Lawrence Berkeley National Laboratory. (www.CPEPweb.org)

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