Evaluating of preservice science teachers’ understanding DF general chemistry cdncepts by using twd tier diagnostic test

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Abstract

This research aimed at evaluating pre-service science teachers’ understanding of the subject matters such as “thermochemistry, chemical kinetics, chemical equilibrium, acids and bases and electrochemistry”. For this purpose, a two-tier diagnostic test consisting of 44 items (α = 0.84) related to the aforementioned concepts was developed by the researchers. This test was applied on to the first, second, and third year pre-service science teachers in Hasan Ali Yucel Education Faculty, Istanbul University. The results showed that the pre-service science teachers had alternative conceptions about endothermic-exothermic reactions, conservation of energy, reaction enthalpy, calorimeters; rate of reaction, reaction rate constant, effects of some factors on reaction rate and reaction rate constant; effects of some factors on equilibrium, equilibrium dynamics, Le Chatelier Principle; equivalence point, end point, indicators, buffers, titrations, neutralization, strength and properties of acids and bases, pH; effects of concentrations on cell potential, metal electrodes, localization of anode and cathode, plating, galvanization.

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Mutlu, A., & Şeşen, B. A. (2016). Evaluating of preservice science teachers’ understanding DF general chemistry cdncepts by using twd tier diagnostic test. Journal of Baltic Science Education, 15(1), 79–96. https://doi.org/10.33225/jbse/16.15.79

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