Wind Movement of Air - Natural Resources (Eng.)   : CBSE Class 9  IX Science

Wind Movement of Air – Natural Resources (Eng.) : CBSE Class 9 IX Science



you can sometimes be very gentle it can be a gentle breeze which we all love but at third times it can be wild storm no it can be wily strong but anyways what we want to understand first of all is why does wind blow why does we know you understand that we'll set up an experiment the experiment is simple we take a beaker inside that we have a candle which is borning candle is burning now on the top of the candle we bring an agar bethey or incense you know what is agarbatti and incense we use it in prayers in worshipping enemies so we bring this other but the on top of cattle what will you notice you will notice that the smoke coming out of Agrabah tea rises straight – straight it doesn't go like this it doesn't go like this it will go straight up this is what you will see now the question is why does the smoke go straight up not sideways the reason is this candle let me explain you what happens this flame of the candle is very hot the air around this flame becomes hot here around the flame becomes hot here around flame becomes hot however the rest of the air remains cold so the air remains cool now this hot air expands and becomes lighter hot air expands and becomes lighter so what is happening here the air around the flame becomes hot becomes hot it expands and thus becomes lighter so this air is lighter than the rest of the air the rest of their this lighter air whizzle air will now rise up in the air the lighter air the lighter air rises now when this air is rising up because it is hot and light it also takes the smoke with it in upward direction that's why we see the smoke weed not the point to understand from this experiment is that when the air becomes hot it becomes light and it rises that is what we need to understand from this experiment we'll conduct one more experiment here we'll take two identical beakers in one we'll fill water in another will feel sand or so on their amount should be same now we'll put both

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5 thoughts on “Wind Movement of Air – Natural Resources (Eng.) : CBSE Class 9 IX Science

  1. Thanks sir so good ๐Ÿ˜„๐Ÿ˜„๐Ÿ˜„๐Ÿ˜„๐Ÿ˜๐Ÿ˜๐Ÿ˜๐Ÿ˜๐Ÿ˜Š๐Ÿ˜Š๐Ÿ˜Š๐Ÿ˜‚๐Ÿ˜‚๐Ÿ˜‚๐Ÿ”ฐ๐Ÿ”ฐ๐Ÿ”ฐ๐Ÿ”ฐ๐Ÿ”ฐ๐Ÿ”ฐ

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