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新课程改革明确要求实验教学要以人为本,强调学生的主体作用,实现“知识与技能”、“过程与方法”、“情感态度与价值观”三维目标的有机整合。人教版高中物理第二册(必加选)“把电流表改装为电压表”是电学部分中较为突出、具有典型性的一个实验。学生实验操作难度较大,根本原因在于对其中的实验原理及相关条件要求理解得不够透彻,实验目标不够明确,因此,实验过程难以达到预期的效果。
The new curriculum reform clearly requires that experimental teaching should be people-oriented, emphasize the main role of students, and realize the organic integration of the three-dimensional goals of “knowledge and skills”, “processes and methods”, and “emotional attitudes and values”. People's Pupils High School Physics Volume II (will be optional) “The ammeter converted to voltmeter ” is the electrical part of the more prominent, typical of an experiment. The experimental operation of students is more difficult, the fundamental reason lies in the understanding of the experimental principle and related conditions which are not thorough enough, the experimental goal is not clear enough, therefore, the experimental process is difficult to achieve the desired results.