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You must be wondering , why water pipes burst during winter only . The water pipes burst in winter because of ANOMALOUS BEHAVIOUR OF WATER .Generally liquids expand on heating & contracts on cooling.Water however shows an exceptional behaviour below 4 degree C. If we cool water at room temperature we find that it goes on contracting but as the temperature falls below 4 degree C it begins to expand instead of contracting, conversely if water is heated from 0 degree centigrate to 4 degree C instead of expanding it contracts.

The anomalous behaviour of water plays an important role in the survival of aquatic animals & plants in cold countries.During winter season as the temperature decreases water at the surface of lakes, rivers, sea etc start contracting . As the water contracts it’s density increases & it sinks to the buttom.This process continues until the temperature of all the water in a lake or river falls to 4 degree C .Thereafter as the water at the surface cools below 4 degree C it expands instead of contracting & consequently it’s density decreases , as a result it remains on the surface of lake or river.The temperature of water in the surface goes on decreasing to 0 degree C & finally is converted into ice, while the water below the ice continues to remain at 4 degree C. As water remains at 4 degree C, fish & other aquatic animals remain alive.

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10 Responses

  1. Service_to_all says:


    That was like a cool guru on water and its ANOMALOUS BEHAVIOUR.


  2. MOKSHA says:

    Please explain the meaning of your comment ” that it is likeCool Guru ”

  3. Service_to_all says:


    I leave it to you to decide the way you want to take it.

    If you sincerely believe that it is your views, please take it as a compliment.


  4. lkjhgf says:

    This property helps in freezing of rivers, lakes & oceans is from d top down, so permitting survival of the bottom ecology ,thus insulating d water from further freezing, reflecting back sunlight into space.


    I wish I would have Read this article a day before….. It would have changed my life.. Quite informative!!!

  6. Dharmendra says:

    Plz tell d reason for this behaviour

  7. Vivek says:

    Thanks for this information… It had helped me so much when I had a need of it.
    It is informative and also helpful to students…

  8. Shashank says:

    It was nice guru it helped me a lot

  9. Shashank says:

    Guru means a teacher in called in ancient times

  10. Phillex harvey says:

    Thanks for all the answers.

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