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用演示实验来描述、引入新的课题,就可以使学生对所观察的物理现象印象更为深刻,对其物理过程更为了解,从而对物理学的分析方法的掌握更为有益。所以必须精心地设计演示实验。基于这一目的,设计演示实验的出发点是:简单明了,省工省时,不增加开支,找现有配备的仪器,能拆能装,便于存放,不盲目追求仪器的精确和完美。
Using demonstration experiments to describe and introduce new topics, students can be more impressed by the observed physical phenomena, and their physical processes are better understood, which makes it more useful to master physics analysis methods. So you must design the demonstration experiment meticulously. Based on this purpose, the starting point for designing demonstration experiments is: simple and clear, save time and labor, do not increase expenditure, find existing equipment, can disassemble energy storage, easy to store, do not blindly pursue the accuracy and perfection of the instrument.