The mental models people use to think about the nature of electric current were investigated. Interviews, based on sequences of prediction-observation-explanation, were conducted with Brazilian secondary students, technical school students, teachers, engineers and practitioners who deal with electricity as part of their daily activities. Four models are reported, showing a possible pattern of progression which may be related to individual's acquisition of conceptual knowledge about electricity.
%0 Journal Article %A Borges, A. Tarciso %D January 1, 1999 %T Mental models of electricity %J Int. J. Sci. Educ. %V 21 %N 1 %P 95-117 %8 January 1, 1999 %U http://dx.doi.org/10.1080/095006999290859
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