教科版三年级《科学》教材中,《我来造一张纸》一课有让小朋友体验造纸过程的实验:1.把一小块纸巾浸湿,揉成纸浆团,放在杯里;2.加一点水化开,调成糊状。3.再加些水,搅拌成均匀的稀纸浆;4.把稀纸浆倒在平铺的棉布上,盖上毛巾挤压吸水;5.观察棉布上留下的是什么?是一张可以揭下的 In the textbook of Grade Three of the Science Edition, “I'll Make a Sheet of Paper” has an experiment where children experience the process of making paper: 1. Soak a small piece of paper towel and knead it into a cup; 2 Add a little hydration, tune into a paste. 3. Add some water, stir into a uniform thin pulp; 4. Pour the thin pulp on the tiled cotton cloth, squeeze a towel to squeeze water; 5. Observe what is left on the cotton cloth? Under