高效课堂的特点是:学生在单位时间内获得的知识较多,活跃的教学氛围,能充分发挥学生的探究能力,调动学生的学习积极性。要在化学课中实施高效教学,教师应该从三方面入手,即转变教学观念,精心备好每一节课;实施学案导学,培养学生的自主学习能力;建立和谐的师生关系,提高课堂的教学效果。 Efficient classroom is characterized by: students get more knowledge in a unit of time, an active teaching atmosphere, can give full play to the ability of students to explore, arouse students’ enthusiasm for learning. To carry out efficient teaching in chemistry class, teachers should start from three aspects, that is, to change the teaching concept and carefully prepare every lesson; to carry out case study and guide students’ learning ability; to establish a harmonious relationship between teachers and students Classroom teaching effectiveness.