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Article de revue:
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ID no. (ISBN etc.): 0950-0693
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Clé de citation BibTeX: Eshach2006
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Eshach, H., & Schwartz, J. L. (2006). Sound stuff? naive materialism in middle-school students' conceptions of sound. International journal of science education, 28(7), p. p733.
Ajoutée par: Lynda Taabane 2008-02-15 11:21:01
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Résumé
Few studies have dealt with students' preconceptions of sounds. The current research employs Reiner "et al." (2000) substance schema to reveal new insights about students' difficulties in understanding this fundamental topic. It aims not only to detect whether the substance schema is present in middle school students' thinking, but also examines how students use the schema's properties. It asks, moreover, whether the substance schema properties are used as islands of local consistency or whether one can identify more global coherent consistencies among the properties that the students use to explain the sound phenomena. In-depth standardized open-ended interviews were conducted with ten middle school students. Consistent with the substance schema, sound was perceived by our participants as being pushable, frictional, containable, or transitional. However, sound was also viewed as a substance different from the ordinary with respect to its stability, corpuscular nature, additive proper
Ajoutée par: Lynda Taabane
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Informations supplémentaires en ligne :
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Idées
pdf dispo
Ajoutée par: Lynda Taabane
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