Placeholder Image

字幕列表 影片播放

  • Hi I'm Benyamin

  • Today we are going to do a really neat experiment

  • we are going to learn how to make cloud inside of a bottle

  • and you need a few materials that you can usually find around the house

  • Now, all you are going to need for this experiment is:

  • 1- some rubbing alcohol, this is regular alcohol that you can buy from drug store or supermarkets

  • 2- You need an empty plastic bottle that you've washed out and cleaned out

  • 3- You need a bicycle pump

  • 4- You need a cork that you made a hole in the middle of that like this

  • Step one: open the cap of the bottle and pour just a little bit of the alcohol inside it

  • Step Two: Close the cap of the bottle after we've got the alcohol in and then just rotate the bottle like this

  • Step Three: Ok in this step what we want to do is we want to take our bicycle pump and we want to be able to force

  • air inside of this container

  • okay as you see this part of the bicycle pump is not the right size of the bottle

  • so what I'm going to do to help me force air in there is I'm going to use that cork

  • then what we are going to do is hold it there with my hands while

  • I force air and while my friend manually pump it up

  • then when I release the pressure when I move my hand away

  • the air pressure inside that we've pushed in there is going quickly

  • escape and if we've done it right we wanna make a really nice cloud here

  • Step four: Now,with my hands I'm gonna force this air pump

  • against the bottle and my friend gonna grab the bicycle pump and

  • then he will start pumping

  • Okay, now I am gonna count from 1 to 3 then I let air goes out from the bottle

  • Okay, 1 2

  • look at it, it's very very nice cloud

  • Now, what we have here is the water vapour inside the air that was

  • inside of this bottle quickly condense into basically cloud

  • that's what clouds are there

Hi I'm Benyamin

字幕與單字

單字即點即查 點擊單字可以查詢單字解釋

B1 中級

在家做一朵雲--酷炫的科學實驗! (Make a Cloud at Home - Cool Science Experiment!)

  • 235 16
    王之朋 發佈於 2021 年 01 月 14 日
影片單字