幼1：老师，我的鸡蛋浮起来啦。 幼2：我的也浮起来啦。师：恭喜你们，鸡

Young 1: teacher, my eggs float friends. Young 2: I also float friends. <br>Teacher: Congratulations to you, eggs float it, the little scientists, why salt can make the egg float it? <br>Young 1: egg lighter friends. Young 2: I do not know. <br>Teacher: You all played seesaw of it, if you play with seesaw and dad, my father would still be below the Rocker up it? <br>Young 1: Dad will be in the following, because my father is too heavy. <br>Teacher: Oh, because my father heavy weight, it will be in the following, the child will be Qiaoqi to light weight, it's just eggs and salt water, too, oh, eggs are heavier than water, it sank plump, but we after non-stop salt, eggs slowly lighter than salt water, it will float.

Young 1: Teacher, my eggs are floating up.<br>Young 2: My sprang up, too.<br>Teacher: Congratulations, the eggs floated up, then little scientist, why can add salt make the eggs float up? Young 1: The eggs are lighter.<br>Young 2: I don't know.<br>Teacher: You've all played seesaw, if you and Dad play seesaw, dad will be down or will be seesaw up?<br>Young 1: Dad will be down there, because Dad is too heavy. Teacher: yes, oh, because the father weight, so will be below, the child weight will be seen, that just now the eggs and salt water is also so Oh, eggs than water heavy, grunt on the sinking, but we do not stop adding salt, slowly the eggs are lighter than salt water, floating up.

Child 1: teacher, my egg is floating. Baby 2: mine is floating, too.<br>Teacher: Congratulations, the eggs are floating. Why do you add salt to make them float?<br>Baby 1: the eggs are lighter. Young 2: I don't know.<br>Teacher: have you all played seesaw? If you play seesaw with Dad, will dad be down or up?<br>Baby 1: Dad will be down there, because dad is too heavy.<br>Teacher: Yes, because dad is heavy, he will be below, and the child will be lifted when he is light. That's the same with the egg and saltwater just now. The egg is heavier than the water, and it sinks with a thud. But after we keep adding salt, the egg will be lighter than the saltwater, and then it will float.<br>