因为化学本身就是一门基于实验的学科,所以在初中教学过程中应该充分重视化学实验的重要作用。但是有的时候由于各种条件的限制,导致学生亲自参与实验的机会比较少,这个时候演示实验的作用就能够凸现出来。教师通过演示实验,能够让学生对于实验有一个直观的了解,激发学生的学习兴趣,从而有效保证教学的效率。同时,演示实验能够使学生的思维得到进一步 Because chemistry itself is an experiment-based discipline, the important role of chemistry experiments should be fully emphasized in the teaching process of junior middle school. However, due to the limitations of various conditions, there are few opportunities for students to personally participate in experiments. At this time, the role of demonstration experiments can be highlighted. Through demonstration experiments, teachers can provide students with an intuitive understanding of the experiment and stimulate students’ interest in learning so as to effectively ensure the efficiency of teaching. At the same time, demonstration experiments can make students’ thinking further