一、设计简述本节分两课时,本节课教学内容和教学目标及教学重难点的设定都是以物理课程标准为准则,从学生的已有知识水平出发,在课内创造更多真实的生活情景,通过体验电能表表盘转动快慢跟用电器电功率的关系,培养学生的观察能力和分析、概括能力。课堂教学是一个动态过程,根据学生知识的实际需要,在本节课 First, the design brief This section is divided into two classes, the teaching content and teaching objectives and teaching heavy and difficult to set the standards are based on the physical curriculum standards as a criterion, starting from the students’ level of knowledge to create more in-class Real life scenarios, through the experience of electric meter dial rotation speed with the electrical power relationship, training students to observe and analyze, summarize the ability. Classroom teaching is a dynamic process, according to the actual needs of students in this lesson