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物理是一门以观察和实验为基础的自然科学。物理知识有着较强的适用性,渗透于生活中的各个领域。物理实验开展的数量和质量,会直接影响学生对物理知识的理解程度,影响学习的质量,甚至于影响学生对物理这门学科的学习兴趣。2010年10月,笔者所在学校开展了一次关于“探究平面镜成像的特点”的同课异构活动。其中有两位教师的教学反差,引起笔者深刻的反思。甲教师在教学中通过演示实验,详细地分析了平面镜成像的几个特点,条理十分清楚,板书也很好。经过一番小结,并强调重点后,
Physics is a natural science based on observation and experimentation. Physical knowledge has a strong applicability, penetration in all areas of life. The quantity and quality of physical experiments will directly affect students 'comprehension of physical knowledge, influence the quality of learning, and even affect students' interest in physics. In October 2010, the author's school conducted a lesson about heterogeneous activities in the same class with “exploring the features of plane mirror imaging”. Among them, there are two teachers teaching contrast, causing the author a deep reflection. A teacher in teaching through demonstration experiments, a detailed analysis of several features of the plane mirror imaging, the rules are very clear, the blackboard is also very good. After some briefing and emphasizing the key points,