1问题的提出《物理课程》标准指出:“物理教学应以提高全体学生的科学素质为主要目标,满足每个学生的基本需求,改变过分强调知识传承的倾向,让学生经历科学探究过程,改革以书本为主、实验为辅的教学模式”.然而,课堂教学作为实施素质教育的主渠道,目 1 PROBLEM PROBLEM The “Physics Curriculum” standard states: “Physics teaching should aim at improving the scientific quality of all students, meeting the basic needs of each student, changing the tendency of overemphasizing the inheritance of knowledge, allowing students to go through the process of scientific inquiry, The reform of the book-based, experimental supplemented by the teaching model. ”However, classroom teaching as the implementation of the main channel of quality education, head