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Lee, Hyunju; Witz, Klaus G. – International Journal of Science Education, 2009
The need for the inclusion of socio-scientific issues (SSI) into science curricula has been generally accepted, but relatively few science teachers have incorporated SSI into their courses. Most science teachers feel that their most important task by far is to teach the principles of science, and any substantive pedagogical changes represent a…
Descriptors: Scientific Principles, Educational Change, Science Teachers, Science Instruction
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Taber, Keith S.; Bricheno, Pat – International Journal of Science Education, 2009
The present paper discusses the conceptual demands of an apparently straightforward task set to secondary-level students--completing chemical word equations with a single omitted term. Chemical equations are of considerable importance in chemistry, and school students are expected to learn to be able to write and interpret them. However, it is…
Descriptors: Chemistry, Equations (Mathematics), Word Problems (Mathematics), Secondary School Students