新课程标准特别强调“课程的开放性”。课外活动课可以把课内的知识灵活地运用到课外,同时可以使两个方面有机结合,开拓学生的视野,使课内的知识得到强化和巩固。但是我们平时的教学,课外延伸往往得不到重视,甚或是流于形式。那么,如何抓好科学课的课外延伸,把课外活动落到实处,巩固探究成果呢?笔者从自身的实践经验浅议如下几点: The new curriculum standard with special emphasis on “openness of the curriculum ”. Extracurricular activity class can be flexible in the knowledge of the class to extra-curricular, at the same time can make the two aspects of organic combination of students to broaden their horizons, the class knowledge to be strengthened and consolidated. However, our usual teaching and extra-curricular extension are often not given priority, or even mere formality. So, how do we grasp the extracurricular extension of science class, the extracurricular activities implemented, to consolidate the research results? The author from his own practical experience on the following points: