初中学生在进入初三时才开始学习化学,此时学生首先面临的是毕业和升学的双重压力,学业负担较重。其次,学生的心理还不够成熟,不善于自觉控制自己的行为和情绪,学生一旦认为化学课堂枯燥、平淡,其主动学习的热情就会降低。老师在教学中要 Junior high school students begin to learn chemistry when they enter the third grade. At this time, students are faced with the dual pressure of graduation and further studies, resulting in a heavier academic burden. Second, the student’s psychology is not mature enough, not good at consciously controlling their own behavior and emotions, once the students think the chemistry class is boring, plain, the enthusiasm of active learning will be reduced. The teacher wants in teaching