科学课改中科学教材给科学课堂带来了巨大变化但在科学教材的实施过程中,许多教师感到教材中一些课的内容难在一堂课内完成,感到目前科学课的课时设置不够,教学任务难完成。如何面对这一矛盾芽这种矛盾难道真是教材与课时的原因吗芽表面上看这一矛盾好象与教材和课时有关,但从 However, in the course of carrying out science teaching materials, many teachers find it difficult to complete the contents of some lessons in a textbook. They feel that the current teaching hours are not set enough in time and teaching tasks Difficult to complete. How to deal with this paradox? Is this paradox really the reason for teaching materials and class time? On the surface, this contradiction seems to be related to teaching materials and class time, but from