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初中化学是一门以实验为基础的学科,在课堂上通过演示实验或学生实验,可以使初中生获得生动的感性认识,从而充分地理解、巩固所学化学知识.本文分析了化学异常实验现象中的原因,分析了化学异常实验现象中培养学生的问题意识的成因并指出了相应的对策.
Junior high school chemistry is an experiment-based discipline. Through demonstration experiments or student experiments in the classroom, junior high school students can acquire vivid perceptual knowledge to fully understand and consolidate their knowledge of chemistry. This paper analyzes experimental phenomena of chemical anomalies. The reason for the analysis of the causes of chemical anomalies in the cultivation of students’ problem awareness and pointed out the corresponding countermeasures.