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9月14日阴今天一上课,老师就从地上拿起两个一模一样的塑料瓶,这不是我们喝可口可乐的瓶子吗?这两个瓶子有什么用呢?老师让我们仔细观察这两个瓶子,我发现其中一个塑料瓶瓶身下部有五个横着的小孔,另一个在瓶身处有四个竖着的小孔。老师先用宽胶带把两个瓶的孔都粘了起来。我想,老师为什么要这么做?是怕瓶子漏水吗?果然,老师把两个塑料瓶都灌满了水。横着五个小孔的瓶子被撕开胶带的一刹那,水从各个小孔向四面八方冒出来,形成一圈水花,那水花真好看!接着,老师把竖着四个小孔的瓶子也撕开胶带,一
Today, September 14th, a lesson is held today. The teacher picks up two identical plastic bottles on the ground. Is not this the bottle we drink Coca-Cola? What are the two bottles? The teacher asked us to look closely at the two bottles, I noticed that there were five horizontal holes in the bottom of one of the plastic bottles and the other one had four vertical holes in the bottle. Teacher first with a wide tape to the two bottles of the hole are glued together. I think, why the teacher to do so? Fear of the bottle leaking it? Sure enough, the teacher put two plastic bottles are filled with water. Across the five holes of the bottle was torn tape moment, the water from all the holes to pop up in all directions, forming a circle of water, then the water is nice! Then, the teacher also torn the bottle with four holes rip Tape, one