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1、声音产生的条件The terms and conditions of producing the sounds适用学生：全盲或不能观察到水花的低视学生Applicable students: total blind students and the low vision studentswho can observe the spilt water.实验目的：探究声音产生的条件Aim of experiment: exploring the terms and conditions of producingthe sounds.实验器材：音叉烧杯水Testing equipment: the
2、tuning fork; beaker; water.实验设想：通过振动的音叉溅起水花引起盲生触觉，从而分析声音产生的条件。Experiment teaching ideas: arousing the touch of the blindstudentsthroughthespiltwaterwhichismadebythevibrationof a tuning fork, letting the students analyse the terms andconditions of producing the sounds.实验过程：（ 1）敲击音叉，使音叉振动；（ 2）将音叉接触水面，
3、使盲生触觉感受溅起水花；（ 3）分析判断声音的产生需要振动。Experimental process: (1) striking a tuning fork to let itvibrate;(2) touching the surface of the waterwiththetuningfork,lettingtheblindstudentsfeelthespiltwaterwhichismade by the vibrating tuning fork;(3) deciding that the vibrations arethe terms and conditions of producingthe sounds.效果：引起学生兴趣，效果很好。1 / 2Effect: arousing the interest of the students, nice.2 / 2