《全日制义务教育物理课程标准》指出,教师在教学过程中应与学生积极互动,共同发展.要处理好传授知识与培养能力的关系,注重培养学生的独立性和自主性,引导学生思考质疑、调查、探究,在实践中学习,促进学生在教师指导下主动地、富有个性学习.应实施以学生主动参与、主动探究、交流合作以“说” The “Full-time Compulsory Education Physics Curriculum Standards” pointed out that teachers should actively interact with students and develop together in the teaching process. To handle the relationship between imparting knowledge and training ability, pay attention to training students’ independence and autonomy, and guide students to think and question , investigation, inquiry, study in practice, promote students to actively and individualized learning under the guidance of teachers. Students should take the initiative to participate, active inquiry, exchange and cooperation to “speak”