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“问题链”是教师为了实现一定的教学目标,根据学生的已有知识或经验,针对学生学习过程中将要产生的困惑,将教材知识转换成层次鲜明、具有系统性的一系列问题;是一组有中心、有序列、相对独立而又相互关联的问题。教学中的“问题链”像一条锁链,把疑问和教学目标紧紧地连在一起,对学生学法的形成有较强的导向作用,是促进学生理解和掌握知识,发展学生的思维能力,评价教学效果,以及推动学生实现预期目标的一种有效控制手段,是提高课堂教学效率的一种教学策略。下面以“大气的运动”一节为例,谈谈“问题链”的类型及其教学功能。
In order to achieve a certain teaching goal, teachers should, according to the students ’existing knowledge or experience, confront the confusion that will arise in the students’ learning process and transform the textbook knowledge into a series of distinctive and systematic problems. It is a set of problems with center, sequence, relative independence and interrelatedness. Teaching “problem chain ” like a chain, the question and the teaching goal closely together, the formation of students learn the law has a strong guiding role is to promote students to understand and master the knowledge and develop students’ thinking Ability, evaluation of teaching effectiveness, and to promote students to achieve the desired goal of an effective control means is to improve the efficiency of classroom teaching a teaching strategy. Let’s take the “Atmospheric Movement” section as an example to discuss the type of “problem chain” and its teaching function.