基于5EX模型的教学评一体化高中物理教学设计——以牛顿第二定律为例

Teaching Design of Integration of Teaching, Learning and Assessment in High School Physics Based on the 5EX Model—Taking Newton’s Second Law as an Example

摘要: 针对高中物理牛顿第二定律教学中学生迷思概念的转变需求以及教学评一体化理念对教学过程提出的新要求，提出基于5EX模型的教学评一体化教学设计方案。本文从概念转变理论的视角，系统阐明了5EX模型在物理规律课教学中促进概念转变的独特作用机制，揭示了“启发与问题–探索与证据–解释与论证–迁移与交流–评价与创新”五环节所构成的递进式认知路径。同时，从学习科学的角度阐释了诊断性评价、过程性评价与反思性评价的设计依据及其在5EX各环节中的嵌入逻辑，并以牛顿第二定律为例完成各环节的详细教学设计，呈现配套的评价工具与量规。此外，本文还讨论了该方案的适用条件与实施风险，增强了设计的可推广性。本设计可为高中物理核心规律课的教学评一体化设计提供一种可行的参考框架。

Abstract: In view of the need to facilitate the conceptual change of students’ misconceptions in high school physics teaching of Newton’s Second Law and the new requirements posed by the integration of teaching, learning and assessment, this paper proposes a teaching design scheme based on the 5EX instructional model with integration of teaching, learning and assessment. From the perspective of conceptual change theory, this paper systematically elucidates the unique mechanism of the 5EX model in facilitating conceptual change in physics law instruction, revealing the progressive cognitive pathway constituted by five phases: Engage, Explore, Explain, Extend, and Evaluate. Meanwhile, from a learning sciences perspective, it explains the design rationale of diagnostic evaluation, formative evaluation, and reflective evaluation and their embedding logic across the 5EX phases. Using Newton’s Second Law as a teaching vehicle, detailed instructional designs for each phase are completed with accompanying evaluation tools and rubrics presented. Moreover, this paper discusses the applicability conditions and implementation risks of the scheme, enhancing its generalizability. This design may provide a feasible reference framework for the integration of teaching, learning and assessment in teaching other core physics law courses in senior high schools.