初中学生的心理特点和认识水平,决定了初中学生学习主要是直接兴趣,因而《引言》课上,我主要通过一系列观察、实验、故事等教学手段,来阐明我的论点.一、悬念式实验引入课题,点明“物理学研究什么?”实验:1.把一个花皮球向上空一抛,皮球先向上 Junior high school students’ psychological characteristics and level of understanding have determined that junior high school students’ learning is mainly of direct interest. Therefore, in the “Introduction” class, I mainly elaborated my arguments through a series of observation, experiment, story, and other teaching methods. The experiment introduces topics, points out what “Physics studies?” Experiments: 1. Put a flower ball up and throw it up, the ball first goes up