激发学生的学习兴趣是物理教学的一条基本的教学原则,在课堂教学中贯彻这一原则,就能更有利地调动学生对物理学习的热情,达到大量摄取知识,理解和运用知识的目的。初中学生的心理特点和认知水平,决定了初中学生学习物理主要是直接兴趣,因而在初中物理课堂教学中应重视对初中学生的直接兴趣的激发,逐步引导学生向间接兴趣水平过渡,使学生的兴趣更趋近于稳定,使兴趣不断 Inspiring students’ interest in learning is a basic teaching principle of physics teaching. Implementing this principle in class teaching can more mobilize students’ enthusiasm for physics learning and achieve the goal of ingesting knowledge, understanding and applying knowledge. The psychological characteristics and cognitive level of junior high school students determine that junior high school students are mainly interested in learning physics. Therefore, junior high school students should pay attention to the stimulation of direct interest in junior high school students, and gradually guide students to transition to the level of indirect interest. The interest has become closer to stability and interest has continued