经过几年多的努力,初中化学课堂教学改革取得了令人满意的成绩,如何教会学生掌握科学的学习方法,增强学生学习的积极性和有效性,提高课堂教学效率,成了我们大家共同面临的问题。《新课程标准明确》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。”学生是课堂舞台的主角,只有让学生活动起 After several years of hard work, junior high school chemistry classroom teaching reform has achieved satisfactory results. How to teach students to master the scientific learning methods, enhance students’ enthusiasm and effectiveness in learning, and improve the efficiency of classroom teaching has become a common challenge for all of us problem. “The new curriculum standards clearly” put forward: “To promote the transformation of students ’learning styles, cultivate students’ active participation, willing to explore, exchange and cooperation learning attitude.” Students are the protagonists of the classroom stage,