“物理是一门以观察、实验为基础的科学。人们的许多物理知识是通过观察和实验,经过认真的思索而总结出来的。”在初中八年级物理教材的引言中,开宗明义指出实验对于学好物理的重要性。为保证学生在物理学习过程中的上述指导思想,国家为各级各类学校都无一例外巨资投入配备实验设施和器材,但多年的教学实践证明,教材实验在具体实施过程中由 “Physics is a science based on observation and experimentation, and many of the physical knowledge of people are summed up through careful observation and experiment.” "In the introduction of the eighth grade junior high school physics textbook, The importance of learning physics. In order to ensure that students in the physical learning process of the above guidelines, the state for all types of schools at all levels without exception, invested heavily in experimental facilities and equipment, but many years of teaching practice proved that teaching materials experiment in the concrete implementation process