教育教学过程中,教师教学方法的运用直接影响学生对学科的兴趣和学习主动性。好的教学方法能让学生尽快进入学习状态,引发学习兴趣,事半功倍地掌握教学内容。当前初中化学教学过程中,老师教学观念虽然得到一定的转变,但是还不能很好地运用到教学中,学生的主体地位依旧没有很好地发挥出来,达不到很好的教学效果。一、问题化教学引入初中课堂的必要性1.问题化教学能有效激发学生的学习热情 In the process of education and teaching, the use of teachers ’teaching methods directly affects students’ interest in learning and learning initiative. Good teaching methods enable students to enter the learning state as soon as possible, triggering interest in learning, with less to master the teaching content. In the current junior high school chemistry teaching process, although the teacher’s teaching concept has been changed, it still can not be well applied to the teaching. The student’s subjective status still does not play well and can not achieve good teaching results. First, the problem of teaching the introduction of the need for junior high school classroom 1. Problem-oriented teaching can effectively stimulate the enthusiasm of students learning