演示实验是教师讲授化学知识的一个有力武器,也是化学教学的主要方法。为了加强演示实验,提高教学质量。本文拟就基本要求和做法,谈谈自己的一些浅见。 一、基本要求 (一)实验目的性要明确。教师对每个演示实验应该要明确:(1)这个演示实验要说明什么问题?(2)要得出什么结论?(3)培养学生 Demonstration experiment is a powerful weapon for teachers to teach chemistry knowledge, and it is also the main method of chemistry teaching. In order to strengthen the demonstration experiment and improve the quality of teaching. This article proposes to discuss some of his own views on basic requirements and practices. First, the basic requirements (A) The purpose of the experiment should be clear. The teacher should be clear about each demonstration experiment: (1) What is the problem with the demonstration experiment? (2) What conclusions must be reached? (3) Developing students