随着物理新课程标准的实施和推广,学生的学习方式、教师的教学方式、教学内容的呈现方式都在发生深刻的变革。物理教学又是一门以实验为基础的学科,课堂问题的设计尤为重要,教师设计的问题是培养学生的思维能力与表达能力的有力举措,是反馈教学信息的基本途径。教师设计的问题的精拙,不仅体现了教师的素质,而且直接影响着课堂教学的展开,进而影 With the implementation and popularization of new physics curriculum standards, profound changes have taken place in the way of students’ learning methods, teaching methods and teaching contents. Physics teaching is an experiment-based subject. The design of classroom problems is especially important. Teachers ’design problems are powerful measures to train students’ thinking ability and expressive ability, and are the basic ways to feedback teaching information. The problem of teacher design, not only reflects the quality of teachers, but also directly affects the development of classroom teaching, and then video