krkrkkrk

krkrkkrk t1_j6vsz2t wrote

id describe it as follows: the movement (heat) of the water molecules cause them to be liquid. as heat is lost to the surroundings the molecules move slower, and eventually can "snap" to eachother due to the difference in electrical charge that is a property of the water molecule. the solid structure of ice will form and, being of lower density, in effect convert some heat into height, including the ball on top

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