When you boil an egg, the inside becomes solid. This transformation does not, however, change the egg's appearance from the outside, its odor or its sound. But you can tell the difference between a cooked egg and a raw one by spinning them on their point: a cooked egg is easier to spin.
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When you boil an egg, the inside becomes solid. This transformation does not, however, change the egg's appearance from the outside, its odor or its sound. But you can tell the difference between a cooked egg and a raw one by spinning them on their point: a cooked egg is easier to spin.