Eli5: why do Ice cubes get smaller when left in the freezer for an extended period
In: 10
They evaporate. Yep, that’s right, they evaporate. Water can evaporate when frozen. As all it takes for evaporation to happen is dry air. And the freezer is full of dry air. So as the dry air passes over the water, even in a frozen state, it picks up some of it and carries it off.
Obviously it doesn’t happen as fast as like water on a hot day spilled on the sidewalk, but it still happens.
So over a very long time, frozen water shrinks.
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