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access to water 1 cup on theable

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可选中1个或多个下面的关键词,搜索相关资料。 吉祥坊2012 也可直接点搜索资料搜索整个问题。 第五篇High-Tech Expo will be quietly into the footsteps of our campus, the annual scientific and technologica...

  可选中1个或多个下面的关键词,搜索相关资料。吉祥坊2012也可直接点“搜索资料”搜索整个问题。

  第五篇High-Tech Expo will be quietly into the footsteps of our campus, the annual scientific and technological Month activities started! We look forward to the most interesting is the High-Tech Expo will be it! Day after day passed, and finally to Saturdays! It is with emotion sitting in their seats, Hao teacher order, we will quickly pick up the experimental equipment in high spirits to start the experiment. We have to do is this group of interesting siphon welcome to visit! I cried loudly, Sun Xuhui only curiosity left over, we looked suspicious, I did not miss a good opportunity for each, said: , Take a look at our test! You do not want to see the glass reversed, changing the water will be able to go to it? I like the bombard like to introduce a non-stop, Oh, look carefully! First of all, the pipe filled with water, followed after a glass of water, access to water 1 cup on the table, the empty 2 cup lightly boosting, and low point, Bai Baishou I let Yan Kai-day 2 cups hold air at the same time Fanlianniejin the end of the tube, I gently hose and hold the other end, went on to say: I have to do a good job of this process, and then look! Now, we were put on both ends of the glass are No. 1 and No. 2 empty cup, there have been wonderful scene, 1 cup of water flow on a 2 cup. Gradually, you will find that 1 cup of the air, on the contrary, the 2 cups filled with 1 cup of water. You want to know why? Sun Xuhui see Huale Yan, Siyousiwu nodded, as if a childs desire for knowledge, taking advantage of this time, I had to step up the attack : The principle is to siphon hose in the liquid, and the two ends are Niejin So Guanzi have a negative pressure, and then put them into two cups, to promote access to the water hose, which is siphon! I nod after presentation, Sun Xuhui nodded, satisfied to leave our team. High-Tech Expo will, visit the group more and more people, this could be really popular science projects ah! High-Tech Expo will be the end, I think wistfully: Qin minds, our life is full of interesting, original, primary and secondary school students which we can hold our own, Cobo Yes!

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  • access to water 1 cup on theable access to water 1 cup on theable

    可选中1个或多个下面的关键词,搜索相关资料。 吉祥坊2012 也可直接点搜索资料搜索整个问题。 第五篇High-Tech Expo will be quietly into the footsteps of our campus, the annual scientific and technologica...

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