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演示实验是初中物理实验教学中一类重要的构成,鉴于学生实验能力和技能的积累还较为有限,因此,实验课堂上很多具体的探究过程和分析环节往往都是基于教师的演示实验所展开的。学生则需要细致观察教师的实验操作,观察整个实验流程以及产生的实验现象,然后分析与思考相应的问题,以这样的形式完成实验教学,让学生实现对于实验过程中相应知识的理解吸收。教师在组织与构建物理课堂上的演示实验时,应当经常对于自己展
Demonstration experiment is a kind of important constitution in physics experiment teaching of junior high school. In view of the accumulation of experimental ability and skill of students is still relatively limited, many specific inquiry process and analysis link in experiment class are often based on teachers’ demonstration experiments . Students need to carefully observe the teacher’s experimental operation, observe the entire experimental process and the resulting experimental phenomena, and then analyze and think of the corresponding problems in this form to complete the experimental teaching, allowing students to understand and absorb the corresponding knowledge in the experimental process. Teachers in the organization and construction of physical classroom demonstration experiment, it should often for their own exhibition