物理课堂教学活动是教与学的统一,其实质就是交互,就是让学生进行相互交流、相互沟通、相互理解.而交互的载体就是要抓住实验的优势,给学生提供实验的环境,然后进行小组合作探索、碰撞思维、交流内化、反思回顾、延伸拓展,并最终实现课堂的优化. Physics classroom teaching activities is the unity of teaching and learning, the essence is interaction, is to allow students to communicate with each other, mutual understanding, and mutual carrier is to grasp the advantages of the experiment, to provide students with the experimental environment, and then Group cooperation and exploration, collision thinking, internal communication, reflection review, extension and expansion, and ultimately achieve the optimization of the classroom.