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Download full textden Otter, Marie-Jetta; Dam, Michiel; Juurlink, Ludo B. F.; Janssen, Fred – Education Sciences, 2021
Structure-property reasoning (SPR) is one of the most important aims of chemistry education but is seldom explicitly taught, and students find structure-property reasoning difficult. This study assessed two design principles for the development of structure-property reasoning in the context of demonstrations: (1) use of a POE task…
Descriptors: Chemistry, Demonstrations (Educational), Logical Thinking, Instructional Design
Direct linkSpierenburg, Rick; Jacobse, Leon; de Bruin, Iris; van den Bos, Daan J.; Vis, Dominique M.; Juurlink, Ludo B. F. – Journal of Chemical Education, 2017
As it connects to a large set of important fundamental ideas in chemistry and analytical techniques discussed in high school chemistry curricula, we review the exploding flask demonstration. In this demonstration, methanol vapor is catalytically oxidized by a Pt wire catalyst in an open container. The exothermicity of reactions occurring at the…
Descriptors: Misconceptions, Scientific Concepts, Science Instruction, High Schools
