本课采用“活动单导学”教学模式,以学生活动为主线,采取小组讨论、探究发现、适时激励等多种教学法引导学生自主发现、合作探究。并依据学生认知特点和科学规律,借助多媒体等教学设施,以“教师为主导,学生为主体”使学生自主探索地学习,并促成师生的信息交流和课堂教学的有效生成。 This course adopts the teaching mode of “single instruction in activity” to take students’ activities as the main line, and adopts various teaching methods such as group discussion, inquiry discovery, timely motivation and so on to guide students to independently discover and cooperate to explore. Based on the characteristics of students’ cognition and science, with the help of multimedia and other teaching facilities, “teachers are the mainstay and students are the mainstay”, students are encouraged to explore independently and lead to the exchange of information between teachers and students and the effective production of classroom teaching.