记忆在学生的学习活动中有着重要的意义。化学课需要记忆的不只是些概念、公式,还有许多化学反应的具体事实,记忆的任务相当繁重。心理学的研究表明,学习材料数量的多寡和保持的百分率成反比。为此,在教学中我和学生一起寻找记忆的方法。我们抓住教材的要点和知识之间的联系,把它们作为记 Memory plays an important role in student learning activities. Chemistry lessons need to remember not only concepts and formulas, but also many concrete facts about chemical reactions. The task of remembering is rather heavy. Psychological studies have shown that the number of learning materials is inversely proportional to the percentage of retention. For this reason, I was looking for a way to remember with my students in teaching. We grasp the link between the key points and knowledge of the teaching materials and use them as