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很多化学习题的设计,体现了命题者的匠心。依据教材的内在联系和学生的知识实际,挖掘习题中蕴涵的潜在因素,采取灵活而又适度地变换手法,是培养学生学习兴趣和发散学生思维的有效途径。以下结合本人教学实际,略谈一二,以求抛砖引五。 一、变式习题教学 横向发散思维 横向发散思维指的是依据习题条件,使各式各样的信息输出的思维形式。它的主要特点是多渠道、多途径去分析、探索解决习题的方
The design of a lot of chemistry questions reflects the ingenuity of the propositioners. Based on the intrinsic connection between the teaching materials and the students’ knowledge, it is an effective way to cultivate students’ interest in learning and diverge students’ thinking by tapping underlying factors contained in the exercises and adopting a flexible and appropriate method of change. The following combination of my teaching practice, talk about one or two, in order to throw a brick. First, the variant exercise teaching Lateral divergent thinking Lateral divergent thinking refers to the conditions of thinking based on exercise conditions, so that all kinds of information output thinking. Its main features are multi-channel and multi-channel analysis and exploration to solve problems.