英语翻译有孔纸片托水 思考：有孔的纸为什么能拖住水?材料：瓶子一个、大头针一个、纸片一张,有色水一满杯 操作：1、在空瓶

Asked the water hole paper
Thinking:Why can a hole in the paper is holding water?
Materials:bottle 1,pin 1,paper 1,a glass filled with colored water
Operation:
1,filled with colored water inside the bottles.
2,with a lot of pin holes in the white paper bundle.
3,the paper covered a hole in bottle.
Four,hand pressing paper,the bottle upside down,so that bottle down.
5,the hand gently away,cover the mouth piece of paper as immovable,and stream water has not come out from the hole.
Explain:
Tissue pieces can hold up the bottle of water,because atmospheric pressure acting on the slip of paper,resulting in up to shore power.Holes will not leak water because water has surface tension of water formed on the surface of water in the paper's film,so that water will not leak out.This is like the umbrella cloth,cloth although there are many small holes,leaks still not the same.