《高中化学课程标准》指出:“重视探究学习活动,发展学生的科学探究能力”、“探究学习是学生学习化学的一种重要方式,也是培养学生探究意识和提高探究能力的重要途径。”高中化学新课改倡导以学生为中心的自主探究式学习,更加重视学生科学探究能力的培养。我们的化学教学要紧跟教育形势的发展,要彻底改变传统教学中以教师为中心的灌输式教学,构建以学生为中心,以学生的主体实践活动为基础,以学生的探究性学习为主体,以学生的全面发 “High School Chemistry Curriculum Standard” points out: “Emphasis on inquiry learning activity and development of students’ scientific inquiry ability”, “Inquiry learning is an important way for students to learn chemistry and an important way to train students to explore consciousness and improve inquiry ability.” . "The New Curriculum Reform in Chemistry in Senior High School advocates a student-centered, autonomous inquiry-based learning and places more emphasis on the cultivation of students’ scientific inquiry ability. Our chemistry teaching should closely follow the development of the educational situation. It is necessary to completely change the traditional teaching of teacher-centered instillation teaching, construction of students as the center, based on the students ’main practice activities, students’ inquiry learning as the main body , To the full development of the students