在与多位教师交流时发现,在科学课上学生对实验操作颇有兴趣,之后叙述实验过程、归纳结论时,却常常语无伦次,学习前后有时判若两人。通过观察发现,其中很重要的一个原因是:学生不会说。后来我把小学三年级《科学》中的所有实验都逐一进行比较,发现大多数实验后的交流都可以用三 When communicating with many teachers, we found that students in science class are very interested in experimental operation. After that, they describe the experimental process and conclude the conclusion, but they often speak incoherently. Through observation, one of the most important reasons for this is: Students can not speak. Later on, I compared all the experiments in “Grade Three” in elementary school one by one and found that most of the post-experiment exchanges could be conducted in three