The car catalyst–students’ misconceptions and how to challenge them
Part of : Review of science, mathematics and ICT education ; Vol.5, No.2, 2011, pages 71-83
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Pages:
71-83
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Abstract:
The objective of this study was to find out what students already know about thecar catalyst in order to design a module to pass on the scientific mental model tothem. Therefore a questionnaire was given to students in 9th, 10th and 11th gradepupils. Questions referred to what happens inside a catalyst with the incominggases. The misconception of a filter or a further combustion engine could belocalized. According to the students the catalyst is equipped with netting whichslices the molecules. According to the misconceptions received a topic wasdesigned to overcome and cure these concepts and to clarify and give the pupils avalid picture of what happens inside the catalyst. In a post-test results are discussed.
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Subject (LC):
Keywords:
chemical education, car catalyst, students’ misconceptions, mental models
Notes:
Περιέχει σχήματα, πίνακες και βιβλιογραφία
