音调的教学在声现象的教学中应该属于一个难点,首先概念的抽象,要让学生结合已有的知识与经验去对比响度和音色,并解释生活中的现象;其次是音调教学中所涉及到的概念和方法较多,学生在学习以前首先要认识频率及其单位、物理意义,还要应用控制变量法进行弦乐器音调的探究.因此,多个知识点、多种思想方法的同时呈现,并让学生经历初次探究过程让音调的教学成为教学行为中的难点,如何突破这个难点也成为本节 Tone teaching in the teaching of acoustic phenomena should belong to a difficult point, the first concept of abstraction, let students combine existing knowledge and experience to compare the loudness and tone, and explain the phenomenon of life; followed by pitch teaching involved There are many concepts and methods, students must first understand the frequency and unit, the physical meaning, but also the use of control variables to explore the tone of the stringed instrument.Therefore, a number of knowledge points, a variety of ways of thinking at the same time, and Let students go through the first inquiry process to make the teaching of pitch become difficult in teaching behavior, how to break through this difficulty has become this section