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Direct linkLiang, Jia-Chi; Chou, Chin-Cheng; Chiu, Mei-Hung – Chemistry Education Research and Practice, 2011
The nature and behavior of gas particles are essential concepts in teaching and learning of school chemistry. However, findings about students' understanding of gas particles--their composition, structure, and interactions involving movement and distribution--revealed that the difficulties students encounter in understanding gas particles vary…
Descriptors: Junior High Schools, Test Items, Student Evaluation, Chemistry
Lin, Jing-Wen; Chiu, Mei-Hung – International Journal of Science Education, 2010
The aim of this study is to compare the characteristics and sources of students' mental models of acids and bases with a teacher's anticipations and, based on this comparison, to explore some possible explanations why motivated students might fail to learn from a subject-knowledgeable chemistry teacher. The study involves a chemistry teacher and…
Descriptors: Chemistry, Grade 9, Low Achievement, Comparative Analysis
Lin, Jing-Wen; Chiu, Mei-Hung – International Journal of Science Education, 2007
This study was part of a 6-year integrated project designed to build a databank of students' science conceptions in Taiwan. The main purpose of this study was to identify the characteristics of students' mental models regarding acids/bases, understand their changes in mental models, and explore sources that might influence students in constructing…
Descriptors: Foreign Countries, Longitudinal Studies, Scientific Concepts, Concept Formation
