一直以来,教师习惯于传统的教学模式,在课堂上总是讲得很多,留给学生思考的时间太少。久而久之,学生出现了厌学情绪,对化学这门课毫无兴趣可言,导致课堂教学效率很低。这种传统的教学模式,严重制约了学生的发展。新课改的目的之一就是要把学生的积极性充分调动起来,主动投身到学习的活动中,让学生做课堂真正的主 All along, teachers accustomed to the traditional teaching mode, always speak a lot in the classroom, leaving students too little time to think. Over time, the students appeared tired of school emotions, chemistry is not interested in this course at all, resulting in inefficient classroom teaching. This traditional teaching mode has severely restricted the development of students. One of the purposes of the new curriculum reform is to fully mobilize the enthusiasm of students, take the initiative to join the learning activities, so that students become the real teacher in the classroom