如何提高“唾液消化淀粉”实验的成功率张建辉（南昌县莲塘一小）学生在做小学自然课本“唾液消化淀粉”这一实验时，往往是失败的多，成功的少，既便有成功的，也带有程度很大的偶然性。因此很有必要认真研究这一实验的机制，用它来指导实验教学。纵观整个实验，笔者认为... How to improve the success rate of the “saliva digested starch” experiment When Zhang Jianhui (Liantang, a small primary school student in Nanchang County) did an experiment on the primary school textbook “Saliva Digestive Starch”, it was often a lot of failures, few successes, and even successes. , also with a great degree of contingency. Therefore, it is necessary to study the mechanism of this experiment carefully and use it to guide experimental teaching. Throughout the entire experiment, the author believes that...