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实验是教师在课堂讲授知识的过程中,为配合教学内容而演示给学生看的一类操作。如何进行实验教学,如何能够更好地发挥实验的优势呢?这里笔者结合自己的教学实践谈几点看法。1实验必须符合科学性在实验的过程中,教师应该以实事求是的科学态度,真实地反映客观事实和自然现象,对于有些难以演示或操作的实验或只能定性演示和操作的实验,不必强求定量,可以对学生加以说明,这样,对培养学生实事求是的科学态度会起到潜移默化的作用。例如,在教学导体、半导体和绝
Experiment is a kind of operation that the teacher demonstrates to the student in the process of teaching knowledge in the classroom, in order to cooperate with the teaching content. How to carry out experimental teaching, how to better play the advantages of the experiment? Here I talk about their own teaching practice a few comments. An experiment must be scientific In the process of experiment, teachers should be based on realistic and realistic scientific attitude, to truly reflect the objective facts and natural phenomena, for some difficult to demonstrate or operate the experiment or only qualitative demonstration and operation of the experiment, do not have to force the quantitative , You can explain to the students, so that to develop students’ scientific attitude of seeking truth from facts will play a subtle role. For example, in the teaching of conductors, semiconductors and absolutes