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Students' Visualisation of Chemical Reactions--Insights into the Particle Model and the Atomic Model
Cheng, Maurice M. W. – Chemistry Education Research and Practice, 2018
This paper reports on an interview study of 18 Grade 10-12 students' model-based reasoning of a chemical reaction: the reaction of magnesium and oxygen at the submicro level. It has been proposed that chemical reactions can be conceptualised using two models: (i) the "particle model," in which a reaction is regarded as the simple…
Descriptors: Visualization, Chemistry, Science Instruction, Grade 10
Overton, Tina L.; Randles, Christopher A. – Chemistry Education Research and Practice, 2015
This paper describes the development and implementation of a novel pedagogy, dynamic problem-based learning. The pedagogy utilises real-world problems that evolve throughout the problem-based learning activity and provide students with choice and different data sets. This new dynamic problem-based learning approach was utilised to teach…
Descriptors: Problem Based Learning, Chemistry, Teaching Methods, Undergraduate Students
Cheung, Derek – Chemistry Education Research and Practice, 2011
Nineteen pre-service and in-service teachers taking a chemistry teaching methods course at a university in Hong Kong were asked to take a diagnostic assessment. It consisted of seven multiple-choice questions about the chemistry of the lead-acid battery. Analysis of the teachers' responses to the questions indicated that they had difficulty in…
Descriptors: Methods Courses, Chemistry, Foreign Countries, Misconceptions
Cheung, Derek – Chemistry Education Research and Practice, 2009
Secondary school chemistry teachers' understanding of chemical equilibrium was investigated through interviews using the think-aloud technique. The interviews were conducted with twelve volunteer chemistry teachers in Hong Kong. Their teaching experience ranged from 3 to 18 years. They were asked to predict what would happen to the equilibrium…
Descriptors: Protocol Analysis, Chemistry, Problem Solving, Foreign Countries