They stay pretty much the same size in the ice cube tray, but shrink when I put loosely in the freezer.
In: Chemistry
ELI5: “For the same reason, sugar cubes shrink in water.”
ELI10: Water evaporates at any temperature, even when it’s frozen. It’s a bit of an anomaly there in how happy it is to do so, but in what respect is water normal anyway? Combined with it being soluble in air (which helps in actually carrying off the evaporated water), it becomes really noticeable.
All solids do that, but at rates where they very well could not when looked at from our point of view. It becomes more prominent when closer to their melting temperatures, which most objects we are dealing with daily are not.
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