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一、创新演示实验,优化课堂教学传统教学在演示实验时,学生兴趣不浓,积极性不高,甚至对实验教学产生抵触,教学效果不明显。但是如果实验教学中对演示实验进行创新,引导学生参与实验,调动学生的积极性和激发学生探究实验的兴趣,往往会收到事半功倍的效果。例如用手机做声学试验:找一个瓶子,里面放置一部手机,然后再放入几个乒乓
First, the innovative demonstration experiment, optimizing classroom teaching Traditional teaching demonstration experiment, the students interest is not strong, enthusiasm is not high, and even conflict with the experimental teaching, the teaching effect is not obvious. However, if experiment teaching innovates demonstration experiments, guides students to participate in experiments, mobilizes students ’enthusiasm and stimulates students’ interest in exploring experiments, they often receive more and more effective results. For example, using a cell phone to do acoustic tests: find a bottle, which placed a cell phone, and then add a few ping pong