教学实践充分证明,有效教学是实现课堂教学效益最大化的一条最重要的途径。有效教学对教师的核心要求是:掌握有效教学的理论,能够灵活运用有效的教学策略,正确引导学生进行有效的学习,教学活动必须凸显效果、效率、效益。高中化学有效教学其实质是学生在化学学习中 Teaching practice fully proves that effective teaching is one of the most important ways to maximize the effectiveness of classroom teaching. Effective teaching of the core requirements of teachers are: to master the theory of effective teaching, to be flexible use of effective teaching strategies, and correctly guide students to learn effectively, teaching activities must highlight the effectiveness, efficiency and effectiveness. The essence of effective chemical teaching in high school is that students in chemistry study