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在海量的高考模拟试题中存在一些编制错误的试题,此类试题的错因较为隐蔽、不易被发现.笔者在竞赛教学过程中经常思考如何有效地开发此类错题,旨在培养优生灵活运用物理规律的思维能力和对问题研究追根究底的探究精神.通过实践和思考,发现沿着学生对问题的理解思路,通过设置一些具有梯度的问题链引导学生思考、发现错因,深入探究,可以有效地培养学生应用物理规律解决问题的能力,加深对问题本质的理解,激发学生的学习兴趣,培养学生发现问题和解决问题的思维能力.笔者认识到,错题是一种宝贵的资源.下面是笔者在运用力学规律解决连接体问题的竞赛教学中的一节课堂简录.通过一道错题引入,呈现其教学价值的探讨过程.
In the massive college entrance examination simulation questions there are some errors in the preparation of the test questions, the error of such questions is more subtle and difficult to be found.The author often think in the process of competition teaching how to effectively develop such errors, designed to develop flexible use of eugenics Through the practice and reflection, we found that along the students’ understanding of the problem, we should set some gradient chain to guide the students to think, find out the cause of the error, probe into the cause of the problem, It can effectively cultivate students’ abilities of using the laws of physics to solve problems, deepen their understanding of the essence of the problem, stimulate the students’ interest in learning and cultivate students’ thinking ability of finding and solving problems.The author realizes that the wrong title is a precious resource. The following is the author in the use of mechanics to solve the problem of connecting the connector in the teaching of a simple lesson in class through a wrong introduction, showing the teaching value of the process of exploration.