《义务教育化学课程标准》明确提出:“提倡转变学生的学习方式,培养学生主动参与、乐于探究、交流合作的学习态度。”学生是课堂的主角,只有让学生动起来,课堂才具有旺盛的生命力。在化学课堂上,教师要遵循教学规律,优化课堂教学方法,提高学生的学习兴趣,激发学生的学习热情,始终做到,以学生为主体,充分发挥学科特色,提高课堂教学效率。 “Compulsory Education Chemistry Curriculum Standards” clearly put forward: “To promote the transformation of students ’learning styles, develop students’ active participation, willing to explore, exchange and cooperation learning attitude.” Students are the protagonist of the class, only the students move, the class has Strong vitality. In the chemistry class, teachers should follow the teaching rules, optimize classroom teaching methods, improve students ’interest in learning and arouse students’ enthusiasm for learning. They should always take the students as the main body, give full play to the subject characteristics and improve the efficiency of classroom teaching.