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作为电磁感应这一章节的教学重点与教学难点,“楞次定律”在其概念理解与结果接受上具有相当难度.传统教学多按照“实验演示(师)→实验观察(生)→得出楞次定律(教师引导、学生分析实验)→例题讲解(师)→课堂训练(生)→课后巩固”的设计步骤展开教学,学生学习过程较为被动,学生学习的积极性与主动性未能有效激发,学生的创新精神与实践能力得不到有效培养.结合多年实践经验,笔者采取“情境+探
As the teaching focus and teaching difficulty in the chapter of electromagnetic induction, ”Lenz’s law“ is quite difficult in its conceptual comprehension and result acceptance.According to ”experimental demonstration (teacher) → experimental observation → Obtained Lenz’s law (teacher guide, student analysis experiment) → example to explain (teacher) → classroom training (students) → after-school consolidation “design steps to start the teaching, the student learning process is more passive, students learn the initiative and initiative Sex can not be effectively stimulated, students’ innovative spirit and practical ability can not be effectively cultivated. Combined with many years of practical experience, the author to take ”situation + exploration