在初中化学课堂教学中,引入新课这一环节尽管时间不长,但意义重大。可以从以下四个方面衡量。一、能激发学习动机,引起兴趣,集中注意在引课阶段可以从以下三个方面激发学习动机。首先,利用学生与生俱来的好奇心。一个有趣的小实验,一个引人入胜的小故事,化学家生平,最近发生的科技大事等,都能让学生兴趣盎然,自然进入状态。其次,让学生提前了 In junior high school chemistry classroom teaching, the introduction of a new course, although not a long time, but of great significance. Can be measured from the following four aspects. First, to stimulate learning motivation, arouse interest, focus on the lesson stage can stimulate motivation to learn from the following three aspects. First, make use of the innate curiosity of students. A fun little experiment, a fascinating little story, a chemist's life, the recent technology events, etc., can make students interested in nature into the state. Second, let the students advance