Quel est l'impact d'un moment de formulation d'hypothèses sur l’investigation menée par des élèves français (grade 7, 12 ans) durant un enseignement sur la flottabilité ?

• Main Authors: BOYER, ANTONIN, GIVRY, DAMIEN
• Format: Online
• Language: English
• Published: Urray 2016
• Subjects: Pedagogical Content Knowledge, PCK, Knowledge acquisition, Inquiry-Based Science Education, science; Energy, conservation, transformation, equivalence, history of science; Transfer of energy, mechanical work, heat, semiotic actions, inscriptions; Teleology, biology, chemistry, physics; Analyse of the activity, strategy, behaviour, spreadsheet, learning; education; Nature of science, history of science, science teaching; Total force on an immersed body, physics textbooks; Teacher training, mathematics teaching, scheme, instrument; Geology, Biology, time, explanatory register, obstacles; Energy, transformation, vertical path, primary, middle school; Issue, problem solving, preschool children, argumentation, STEM, engineering; Community, resources, teachers; science education; Inquiry-based science education, primary science education, teacher support, class observation, France; Waves, problem solving, interferences, sine function, graphical representation; Geophysical entities, preschool children’s representations, earth’s surface, implications for teaching; 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Learning Analytics, epistemology, methodology, ethics; Area Measurement, teaching area measurement, measurement tools, elementary school; Scientific partnerships, citizen science, teaching practices, science teaching; Action, reason, geometric middle, developmental perspective, International Center for Genetic Epistemology; Serious game, learning, knowledge, skills, elementary school.; Physics education, world image, theories and preoccupations, change of ideas; Children, ICT, technology, home, early childhood education; Oral health, dental caries, children’s ideas, oral health practices, pre-school education; Science education, participatory science, authenticity of learning, teaching practices, school-scientist partnerships; Participation, early mathematics, mathematising process, children’s initiatives, play pedagogies; Science education, scientific revolution, history and philosophy of science and; Material and virtual resources, praxeology, task, technique, technology, register, number sense, place-value system, Chinese abacus; 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Our study shows the impact of one formulation of hypotheses on students' ideas and their manipulations during the handling of an inquiry based teaching on buoyancy. The same teacher taught two lessons (with and without writing previsions) to 12-13 years old students (grade 7). The analysis of videos and written works of 24 students shows that formulation of previsions favors ideas close to the physic point of view and material solutions more in agreement with it. It also, shows that students do not test their hypotheses and speak about different ideas during formulation of hypotheses and inquiry.