该案例的设计存在两个不足。一是教师没有把握好幼儿的年龄特征,二是教师没能引导幼儿自主探究。在活动中,教师运用了看似科学的操作方式——剪掉鱼鳍后请幼儿观察小鱼的游动状态,但这种方式对幼儿并不适合,因为幼儿的思维水平尚未达到主客体完全分离的程度,他们还无法把小鱼完全当作客体来观察和研究。教师是否可以将鱼鳍比喻为小鱼的腿?因为小鱼如果没 There are two shortcomings in the design of this case. First, teachers did not grasp the age characteristics of young children, and second, teachers failed to guide children to explore. In the activity, the teacher used a seemingly scientific method of operation - after cutting off the fins, please observe the swimming status of young fish, but this method is not suitable for young children, because children’s thinking level has not yet reached the complete subject and object The degree of separation, they also can not fish completely as an object to observe and study. Can a teacher compare the fins to the legs of a fish? Because the fish do not have it