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en.wikipedia.org/wiki/Ice

Ice is water frozen into a solid state. Depending on the presence of impurities such as particles ... The effect of expansion during freezing can be dramatic, and ice expansion is a basic cause of freeze-thaw weathering of rock in nature and ...

www.iapws.org/faq1/freeze.html

Why does water expand when it freezes? ... When liquid water is cooled, it contracts like one would expect until a temperature of approximately 4 degrees ...

hyperphysics.phy-astr.gsu.edu/hbase/Chemical/waterdens.html

The fact that water reaches a maximum density at about 4°C causes bodies of water to freeze on the top first. Then the further expansion as a part of the phase ...

practicalphysics.org/expansion-water-freezing.html

Demonstration The expansion of water when it freezes breaks an iron bottle. Apparatus and materials Iron flask for freezing Freezing mixture of ice and salt (or  ...

en.wikibooks.org/wiki/Structural_Biochemistry/Unique_Properties/Expansion_upon_Freezing

Overview[edit]. The reason that water expands when freezing is that when it is near its freezing temp (below 4°C), the hydrogen bonds between water molecules ...

www.thenakedscientists.com/articles/questions/why-does-water-expand-when-it-freezes

The default is for things to shrink when they freeze. This is because, normally, if you make something hotter, it vibrates more. When it vibrates more, it tends to ...

www.cresis.ku.edu/sites/default/files/Education/K-12/IceIceBaby/3.4-IIB_lesson.pdf

Assessment. Why does water expand when it's frozen? Water molecules are attracted to one another and stick together or bond when they get close enough.

www.todayifoundout.com/index.php/2014/01/happen-froze-water-container-strong-water-couldnt-expand-ice

Jan 14, 2014 ... Kevin asks: What would happen if you froze water, but the container was so strong the water couldn't expand into ice? ice-crack Some readers ...

www.rsc.org/learn-chemistry/resource/res00000407/water-expands-when-it-freezes?cmpid=CMP00005979

This demonstration shows the very unusual property which water has of expanding when it freezes. In the liquid state water molecules can pack more closely ...

www.physlink.com/education/askexperts/ae371.cfm

Normally, things expand when heated and contract when cooled. Water is an exception to this rule. Even though water does expand when heated and contract  ...