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化学是一门以实验为基础的学科。它通过教师演示实验或组织学生亲手实验操作,能把书本知识由微观变为宏观,把抽象变成具体,变无形为有形,使学生易于获取多方面的知识,巩固学习成果,培养学生的各种能力。一、设趣味实验,培养注意能力注意是人人都熟悉的一种心理现象。学生注意听课,他们的心理活动就指向和集中于教师的讲述。学生注意观察实验,他们的心
Chemistry is an experiment-based discipline. Through teacher demonstration experiments or hands-on experiments with students, the book knowledge can be changed from microcosmic to macroscopic, the abstraction becomes concrete, the intangible is tangible, the students can easily acquire various knowledge, consolidate the learning outcomes and cultivate students’ Kind of ability First, set up fun experiments, develop awareness of attention is a psychological phenomenon that everyone is familiar with. Students pay attention to lectures, their psychological activities are directed and focused on the teacher’s story. Students observe the experiment, their heart