如何让学生学在课堂、练在课堂、消化在课堂,最大限度地引导学生获取知识、技能.同时给学生留有较多的自由支配时间,去发展自己的兴趣、发扬其特长.为了达到此目的,教师要根据学情的变化改变传统的教学模式,精心设计每一堂课的各个环节,使学生主动地、富有个性地学习.本文就化学课堂的有效教学谈点体会.一、强化教师的主导作用在充分强调学生主体地位的今天,教师在课堂上的作用不仅仅是组织者,更应该是引领者和拓展者.他应该敏锐地发现或捕捉一些契机,把学生的思维引向深入,把学生的视野拓展到开阔地带.这就要求我们的教师首先要有高超的教艺,善于运用现代化的教学手段,钻研业务、精心备课、因材施教,以促 How to make students learn in the classroom, practicing in the classroom, digesting in the classroom, to maximize the students to gain knowledge and skills, while giving students more time to spend free time to develop their own interests, develop their expertise in order to achieve this Purpose, teachers should change the traditional teaching mode according to the changes of the situation, carefully design each link of each lesson so as to enable the students to study actively and with their own personality.This paper will talk about the effective teaching of chemistry class. Leading role In fully emphasizing the dominant position of students today, the role of teachers in the classroom not only organizers, but should be leaders and expanders.He should be keen to find or capture some of the opportunities to lead the thinking of students in-depth, To expand the students’ field of vision to an open area.This requires that our teachers must first have superb artistry, be good at using modern teaching methods, study business, meticulous preparation, teaching, to promote