Literaturnachweis - Detailanzeige
| Autor/in | Eckroth, Charles A. |
|---|---|
| Titel | Astronomy Demonstrations and Models. |
| Quelle | (1986), (15 Seiten) |
| Beigaben | Tabellen |
| Sprache | englisch |
| Dokumenttyp | gedruckt; Monographie |
| Schlagwörter | Tagungsbericht; Astronomy; College Science; Demonstrations (Educational); Higher Education; Physics; Science Education |
| Abstract | Demonstrations in astronomy classes seem to be more necessary than in physics classes for three reasons. First, many of the events are very large scale and impossibly remote from human senses. Secondly, while physics courses use discussions of one- and two-dimensional motion, three-dimensional motion is the normal situation in astronomy; thus, there is greater complexity. Thirdly, students attracted to popular astronomy courses seem less equipped to follow mathematical concepts. For these and other reasons, good astronomy demonstrations must be developed. Four such demonstrations are described: (1) lunar diurnal tides; (2) elliptical orbits of binary stars (in which a set of two or more charts is used to explain details of the motion of binary stars, especially the relationship between theoretical motion and actual appearance from the viewer's vantage point on earth); (3) eclipse motion; and (4) absorption spectra, noting that absorption cells containing solutions of rare earth compounds are better for use with large classes than sodium flames. (JN) |
| Erfasst von | ERIC (Education Resources Information Center), Washington, DC |
| Update | 2004/1/01 |
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