随着课程改革的不断完善,我们的课程目标已经不仅仅是知识与技能的掌握,还要让学生体会其中的过程与方法,同时培养学生的情感态度与价值观.这就要求教师通过课堂教学,既要让学生学会本节课物理知识,又要通过知识载体的传授,让学生体会物理学的思维过程,领悟其中蕴涵的科学方法, With the continuous improvement of curriculum reform, our curriculum objectives have not only mastered the knowledge and skills, but also to enable students to understand the process and methods, while cultivating students’ emotional attitudes and values.This requires teachers through classroom teaching, It is necessary to enable students to learn the physical knowledge of this lesson, but also through the imparting of knowledge carrier, so that students understand the thinking process of physics, comprehend the implication of scientific methods,