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Old 11-01-2005, 03:52 PM
courtney rooney courtney rooney is offline
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i need to know how do icicles form
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Old 11-16-2005, 12:24 PM
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brainygirl brainygirl is offline
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Post How icicles are formed

When the snowmelt flows down the roof, the competition between gravity pulling the water downward and surface tension trying to keep the water flow flat leads to the formation of evenly-spaced ripples along the flow front. These ripples will freeze when and where the surface temperature dips below 0oC (32oF), and the frozen ripples become the icicle roots. Icicles then grow as water dripping over the roots freeze in progressive layers rather than being frozen all at once. This initiates icicle formation.
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