浮力
物理
心理干预
观念转变
数学教育
机械
心理学
精神科
摘要
Many students have incorrect ideas about sinking and floating. Traditional instruction typically fails to address these ideas. Prior research-based interventions have required much time and/or good understanding of prerequisite concepts. This article describes an interactive lecture activity on buoyancy that has proven successful at addressing common conceptual difficulties with a smaller investment of time.
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