How is Glass Made? - Science ABC
It's made from opaque sand, yet it's completely transparent. And, perhaps most startling of all—it appears and behaves like a solid, but it's actually a form of weird liquid in disguise! The Science of Making Glass. This might be hard to believe, but glass is made from liquid sand. More specifically, glass is made by heating ordinary sand (mostly composed of silicon dioxide SiO 2 ...
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