本文以初中化学氧气的制备为例,通过氧气的实验室制法和其工业制备为例,探索以实验教学和工业应用引导学生,激发学生学习兴趣,改变学习的方法,进而提高学习效率,加深记忆提高动手能力,从而更好更快的达到教学指标。 Taking the preparation of junior high school chemical oxygen as an example, this paper explores how to guide students through experimental teaching and industrial application by using oxygen laboratory method and industrial preparation as examples to stimulate students’ interest in learning and change their learning methods so as to improve learning efficiency and deepen their learning efficiency Memory to improve hands-on skills, so as to better and faster to reach teaching indicators.