初中化学的学习时间和周期都很短,但是在中考中初中化学占有较重的分值.所以,如何在有效的课堂教学时间内获得良好的教学效果是每一个初中化学老师关心的问题.在现阶段,建设高效率的课堂不仅是新课改的时代要求,也是推动学生发展的主体性要求.这一切都在呼唤着化学高效课堂的崛起,笔者多年从事初中化学教学,在自己的教学工作中也对 Junior high school chemistry learning time and cycle are very short, but junior high school chemistry occupy a heavier score in the senior high school entrance examination, so how to obtain good teaching effect in effective classroom teaching time is every junior high school chemistry teacher’s concern. At this stage, the construction of efficient classroom is not only the requirements of the times of the new curriculum reform, but also to promote the development of students’ subjective requirements.All these are calling for the rise of chemistry efficient classroom, the author for many years in junior high school chemistry teaching, in his teaching work In the right too