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Hung, Venus; Fung, Dennis – Research in Science & Technological Education, 2017
Background: A teaching method to improve students' ability to communicate ideas in genetics across the macro-micro levels of organisation was investigated in this study. Purpose: It is designed to help students deconstruct the level of organisation of each tier of a genetic diagram, as the symbols used in such diagrams (i.e. lines and letters) can…
Descriptors: Teaching Methods, Genetics, Secondary School Science, Visualization
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Cheng, Maurice M. W.; Gilbert, John K. – International Journal of Science Education, 2014
This study investigated the mental representations of metallic bonding and the malleability of metals held by three male students aged 14-15 (Year 10) who were attending a Hong Kong school. One student was selected by their chemistry teacher as representing each of the highest, the medium, and the lowest level of attainment in chemistry in a…
Descriptors: Foreign Countries, Chemistry, Science Instruction, Secondary School Science