本教学案例是笔者的一节校级公开课,教学目的是让学生对速度有全面而深入的理解,又同时理解和掌握研究物理问题的思维方法和科学方法。一、教学引入教师:请同学们思考这样一个问题:根据常识我们来判断一下,乌龟和兔子谁跑得更快一些呢? The teaching case is a section of the author’s open class school, the purpose of teaching is to enable students to have a comprehensive and in-depth understanding of speed, but also understand and master the thinking and scientific methods of researching physical problems. First, the introduction of teaching teachers: Ask students to think about such a question: According to common sense we judge, tortoises and rabbits who run faster?