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演示实验,是教师通过实际的实验演示,引起学生观察、思维,从而认识物质的性质及变化规律的一种教学方法。本文介绍了中学化学课堂演示试验艺术。
Demonstration experiment is a kind of teaching method that the teacher demonstrates through the actual experiment demonstration and causes the students to observe and think, so as to understand the nature of the material and the law of change. This article introduces the demonstration art of middle school chemistry classroom demonstration.