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使学生在自己头脑中形成物理概念,掌握物理规律的关键是能够给学生创设一个突出事物本质因素、摒弃非本质因素的物理情境.一个物理实验的全过程,往往对学生构成纷繁的综合刺激,有本质的,也有非本质的.而反映本质联系的物理现象并非都是强刺激,所以就不一定能吸引学生注意,也不一定能从中发现本质联系.“不成功”实验就是故意改换实验条件,让实验归于“失
To enable students to form physical concepts in their own minds, the key to mastering physical laws is to create a physical situation that highlights the essence of things and abandons non-essential factors. The entire process of a physics experiment often confuses students in a complex manner. There are essential and non-essential. The physical phenomena that reflect the essential connections are not all strong stimuli, so they are not necessarily able to attract the attention of students, nor can they find the essential connections from them. The “unsuccessful” experiment is to deliberately change the experimental conditions. , let the experiment be attributed to "lost