“吉他弦上驻波实验”授课重点与难点剖析

Analysis of the Key Points and Difficulties in the Teaching of Standing Wave Experiment on Guitar Strings

对“吉他弦上驻波实验”展开解读,依据《理工科类大学物理实验课程教学基本要求》,结合指导学生参加讲课比赛的经历,探究了该实验的授课重点与难点。站在学生及教师的角度,用提问的手段逐步展开重难点剖析,给出了具体的课程设计方案,将驻波理论贯穿课程设计,插入课程思政与物理学前沿相关内容,运用多媒体手段激发同学们的学习兴趣,清晰把握该实验的重难点。

The standing wave experiment on guitar string is interpreted.According to the Basic Requirements of Physics Experiment Teaching in Universities of Science and Engineering,and combined with the experience of guiding students to participate in the lecture competition,the key points and difficulties of the experiment teaching are explored.Starting from the situation of students and teachers,using the means of questioning to gradually carry out the analysis of the key and difficult points,and for each module gives a specific curriculum design scheme.At the same time,the theory of standing wave is used throughout the course design.The content related to ideological and political education and physics frontier is added.Multimedia means are used to stimulate students’interest in learning.As a result,students can have a clear grasp of the important and difficult points of the experiment.