Débattre pour apprendre en sciences expérimentales : le cas de la circulation sanguine
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Document type
Journal articles
Abstract
The present research questions the cognitive work of French upper secondary school students (14-15 years old) during a debate in science class. The debate is based on experimental manipulations related to bloodstream. The study follows the types of reasoning and the notion of truth brought by students and their cognitive displacement. For that, it uses indicators such as modelling and problematisation based on the study of language interactions used by the students considered. The importance of a debate during an empiric experimental situation in biology in the classroom is highlighted. The introduction of a discursive phase in such an experimental situation promoted the articulation between description, explanation and argumentation, and as a consequence, the construction of more elaborate hypotheses and explanatory models that were subjected to critic and experimentation. Keywords Bloodstream, scientific debate, language interactions, cognitive work résumé La présente recherche interroge le travail cognitif chez des élèves français de lycée (14-15ans) lors d'un débat en classe de sciences, basé sur la manipulation expérimentale autour de la circulation sanguine. L'étude consiste à suivre les types de raisonnement et la notion de vérité chez des élèves ainsi que leur déplacement cognitif à travers des indicateurs tels que la modélisation et la problématisation, en se fondant sur l'étude des opérations langagières mobilisées par les élèves en question.
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