苏科版《电热器电流的热效应》是在对电功理解的基础上展开的。这节课的内容较多较难,同时也是电学的重点,所以基于学生的特点我从设置情境、巧妙引领、物理方法引导、发挥好多媒体的作用并运用于生活几个方面对本节课进行设计,效果不错,现对本节课的这几个方面进行反思。一、设置情境引入新课在引入时展示了电流引起火灾的电视报道,给学生以身临其 Suke version of “electric heater current effect” is based on the understanding of electric power started. The content of this lesson is more difficult, but also the focus of electricity, so based on the characteristics of students I set the situation, cleverly lead the physical approach to guide, play a multi-media role and applied to the life of several aspects of the design of this lesson , The effect is good, now this section of the lesson to reflect on these aspects. First, the introduction of the situation to introduce a new class introduced at the time of the introduction of the current caused by the fire of television coverage to the students to personally