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农村中学缺电少仪器,在《音调、响度、音品》一节的教学中,无法将声音的特征用示波器图形展现出来.为了使学生对这节内容不感到生疏枯燥,我利用手风琴作为教具进行教学,效果较好,学生学得满意。首先,在讲课之前,演奏几首乐曲,课堂气氛一下活跃起来。我简单地介绍了乐曲所表现的情感后提问:“音乐是由声音组成的。声音有哪些特征呢?请同学们从课木中寻找答案。”这样,运用音乐的感染力,调动了学生的学习情绪,他们兴致勃勃地阅读课本,从而把听觉上的感受与课本上的概念对应起来。其次,具体讲解。讲音调时,先在键盘上弹出C调的音阶,再提问:“从1往上唱,音调越唱越高,有谁知道C调的1的频率是多少?”大家都楞住了,我便在黑
In rural Middle School, there are no power shortage instruments, and the characteristics of the sound can not be displayed on the oscilloscope graph in the teaching of “Tone, Loudness, and Tone.” To help students not feel boring about this section, I use the accordion as a teaching aid Teaching, the effect is better, students learn to be satisfied. First of all, before the lecture, a few pieces of music are played and the atmosphere of the class becomes active. I briefly introduced the emotions expressed by the music after the question: “Music is made up of sound. What are the characteristics of the sound? Please ask students to find the answer from the lesson. ” In this way, the use of the appeal of music, to mobilize Students’ learning sentiment, they read textbook with great interest, so that the auditory sense and textbooks on the concept of correspondence. Second, explain in detail. Speaking tone, the first pop-up C scale on the keyboard, and then ask: “From 1 up to sing, the more the pitch sing more, who knows C tune a frequency of 1? ” Everyone is shocked I am in black