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苏霍姆林斯基指出:“一个人到学校来上学,不仅是为了获得一份知识的行囊,而主要的还是为了变得更聪明。”这里的聪明主要指的是思维能力的提升。所以,物理教师在教学实践中一定要激发学生探索物理规律的欲望,教给学生探索物理的思想和方法,真正地爱上脑力劳动。为此,在物理课堂教学中需要进行必要的拓展,使教学内容向纵深或课外延伸和合理
Suhomlinski pointed out: “A person to school to go to school, not only to get a bag of knowledge, but the main thing is to become more clever. ” The cleverness here mainly refers to the improvement of thinking ability . Therefore, in the teaching practice, the physics teacher must stimulate students’ desire to explore the laws of physics, teach the students to explore the thoughts and methods of physics, and really love mental work. To this end, the physical classroom teaching needs the necessary expansion, so that the teaching content to the depth or extra-curricular extension and reasonable