良好的开端是教学取得成功的保证,所谓良好的开端,我认为就是学生的积极性被彻底调动起来的一种状态。教师可以在复习旧知识中引出新知识,而后直接提出新问题,把问题直接抛到学生面前,引起学生内在的认知冲突,产生学习的需要。问题的提出要以学生已有的背景知识为前提,使其充分感受到身边确实存在物理,引起学生想要解决问题的冲动。尽量创设一个良好的物理教学情境,引导学生对教学情境中有关的信息加以 A good beginning is a guarantee of success in teaching. The so-called good start, I think, is a state in which student motivation is completely mobilized. Teachers can introduce new knowledge in the review of old knowledge, and then directly put forward new problems directly to students before the issue, causing students to the cognitive conflict, resulting in learning needs. The proposed problem should be based on the students’ existing background knowledge, making it fully feel the physical existence around them, causing students to impulse to solve the problem. Try to create a good physical teaching situation, to guide students to the teaching situation of the relevant information to be