Eco Note

The Oneida Daily Dispatch (Oneida, NY) - - Your Daily Break -

Usu­ally when solids form, atoms get closer to­gether to form some­thing denser. This is why most solids sink in wa­ter. But solid wa­ter, or ice, is ac­tu­ally less dense. Wa­ter mol­e­cules form rings when wa­ter freezes. All that space makes ice less dense, so it floats. Ice float­ing on top of a body of wa­ter lets the rest of it stay liq­uid. If ice sank, whole oceans could freeze solid!

adapted from cli­

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