By Mansoor Niaz
Research in technology schooling has famous the significance of background and philosophy of technology (HPS). Nature of technology (NOS) is taken into account to be a vital a part of HPS with very important implications for instructing technology. The function performed via textbooks in constructing scholars’ educated conceptions of NOS has been a resource of substantial curiosity for technological know-how educators. In a few components of the realm, textbooks develop into the curriculum and make sure to a good quantity what's taught and discovered within the lecture room. Given this historical past and curiosity, this monograph has evaluated NOS in college point normal chemistry textbooks released in U.S.A. so much textbooks during this research supplied little perception with recognize to the 9 standards used for comparing NOS. a few of the textbooks, notwithstanding, unavoidably check with HPS and therefore supply directions for destiny textbooks. the various textbooks pass into enormous aspect to give the atomic types of Dalton, Thomson, Rutherford, Bohr and wave mechanical to demonstrate the tentative nature of medical theories --- a big NOS point. those effects result in the query: Are we educating technology as practiced via scientists? a solution to this question might help us to appreciate the significance of NOS, via offering scholars an HPS-based surroundings, so they too (just just like the scientists) think the joys and pleasure of studying new issues. This monograph presents scholars and lecturers guidance for introducing quite a few points of NOS, in keeping with ancient episodes.
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Additional resources for Nature of Science in General Chemistry Textbooks
Darensbourg, D. J. (1984). ). Menlo Park: Benjamin Cummings. Dickerson, R. , Gray, H. , & Haight, G. P. (1974). , Spanish). Menlo Park: Benjamins Cummings. M. Niaz and A. 1007/978-94-007-1920-0, Ó Mansoor Niaz 2011 39 40 Appendix A: List of General Chemistry Textbooks Analyzed in this Study (n = 75) Dickson, T. R. (2000). ). New York: Wiley. Ebbing, D. , & Wrighton, M. S. (1993). ). New York: Houghton Mifflin. Garland, J. K. (1975). Chemistry of our world. New York: Macmillan. Gillespie, R.
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Phlogiston theory was accepted despite the fact that metal oxides weigh more than metals (Silberberg 2000). , Galileo, Copernicus and the church; Pauling, Sakharov and nuclear weapons (Dickson 2000; Zumdahl 1993). The most important feature of these examples is that these textbooks do so in a particular context of NOS. For example textbook authors in the introductory chapter have referred to a wide range of topics, such as: discovery of DNA; quantum theory; understanding heavenly bodies for 4,000 years; phlogiston theory and chemical revolution; Galileo, Copernicus and the Church; Pauling, Sakharov and nuclear weapons.