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Short answer: it melts.

Slightly longer answer: sufficient energy in the form of heat is added to the ice. This energy goes into the particles as kinetic energy and allows them to start moving faster. Temperature is the measure of the speed of particles, so an increase in heat results in the faster movement of particles, which leads to an increase in temperature. Once the temperature reaches 0oC, the molecules break their crystalline structure and are free to move in a sort of "rolling" motion that is a characteristic of liquids.

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Hugh Luettgen

Lvl 10
4y ago

What else can I help you with?