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Urooj Usmani
Urooj Usmani
Sms Aga Khan School Karachi
Thermal Expansion..!
Published On Aug 3rd 2011
Total Comments : 13
Total Views :  513
3 People Like this!


Rank 5 Out of 10
Yesterday I was reading something. I feel like I wanted a drink, so I went to kitchen and delighted to see that there was 1.5 litres pepsi bottle waiting for me. I tried to open it but unable to open. I asked my father to open it but he said that I should know how to open it. He told me a great trick that take some water and heat it and than pour it on the cap of bottle. I did and become very surprised to see that bottle was now opened easily. I become very curious that how it works? I asked my father that how this happen. He said that when we heat any matter it increases in volume. This phenomenon is known as THERMAL EXPANSION. I asked the mechanism of it. He said that as we all know that matter is made of atom and molecules. So when we heat the molecules vibrate faster and faster and thus they become separated. As they separated a space is formed between all molecules so the matter changes it size. I thanked my father to give me information and now I’m ready to have a drink.
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Comments 13
aamna Nice Article Aamna
Sep 17th 2011
Namra Knowledgeable! Namra
Aug 10th 2011
Urooj Thanxxxxx Urooj
Aug 9th 2011
Zainab Wonderfulllllll!!!!! Zainab
Aug 8th 2011
Wania Nice and really impressive!!!:) keep it up....... Wania
Aug 7th 2011
Urooj Thanxxx and i had written it by myself!!! Urooj
Aug 5th 2011
Zainab Wow!its reallllly nice!u wrote your self? Zainab
Aug 5th 2011
faizan Informative Faizan
Aug 4th 2011
W@J!H@ Gr8!!!! :) W@j!h@
Aug 4th 2011
Urooj Thanxx!!!and i want more comments plzzzzzzz!!!!!!! Urooj
Aug 3rd 2011
Hadia Its a nice article Urooj Hadia
Aug 3rd 2011
Aisha Cool Aisha
Aug 3rd 2011
Saba Nyc information Saba
Aug 3rd 2011

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