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http://dx.doi.org/10.5467/JKESS.2009.30.7.855

Earth Science Teachers' Conceptual Types about Image Formation through a Telescope  

Lee, Seok-Woo (Department of Earth Science Education, Seoul National University)
Yim, In-Sung (Korea Astronomy and Space Science Institute)
Choe, Sung-Urn (Department of Earth Science Education, Seoul National University)
Publication Information
Journal of the Korean earth science society / v.30, no.7, 2009 , pp. 855-868 More about this Journal
Abstract
The purpose of this study was to investigate how teachers understand the principle of image formation of stars through a telescope. This study was conducted by using explanatory paper questionnaires given to 101 earth science teachers in the areas of Gyunggi province and Seoul. The questionnaires were cross-analyzed by three experts in earth science education. Result indicated that most of the participating teachers did not have systematic concepts about the process of making an image formed by a convex lens. Particulary, they did not sufficiently understand the concepts of an image and the functions of a screen. Furthermore, only 3% of the participants possessed the scientific concepts about the image formation principle of a star through the telescope. Most of the teachers seem to have non-scientific or alternative concepts about the image formation, which was only understanded with the fragmented characteristics about light and convex lens.
Keywords
telescope; image formation; scientific notion;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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