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KMID : 1059520190630010056
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Journal of the Korean Chemical Society
2019 Volume.63 No. 1 p.56 ~ p.65
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The Chemistry Teachers' Perceptions and Interpretations about Three Acid-Base Models
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Kim Sung-Ki
Choi Hee
Park Chul-Yong
Paik Seoung-Hey
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Abstract
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This study investigated the perceptions of the relationship among the three acid-base models of chemistry teachers. In addition, we examined how the perception of the relationship between models affected on the interpretation of concepts in each model. To investigate teachers’ perceptions and interpretations, a questionnaire and interviews were conducted for 24 chemistry teachers. As results, most of the chemistry teachers recognized the three models as cumulative extension relationships. The perceptions were related to the contents of textbooks. The perception of the relationship of these models influenced on interpretations of the models’ acid-base concept. In this study, we suggested that science teachers need to be aware of diverse models’ roles.
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KEYWORD
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Acid and base, Scientific model, Diversity of model, Relationship of models
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