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==Key Stage 3==
===Meaning===
[[Glass]] is a [[hardness|hard]], [[brittle]] and [[transparent]] [[solid]] (at [[Room Temperature|room temperature]]) made from [[Silicon Dioxide]].
===About Glass===
===Meaning===
[[File:GlassGiantCovalentStructure.png|right|300px|thumb|This [[diagram]] shows the [[Giant Covalent Structure|giant covalent structure]] of [[glass]].]]
[[Glass]] is a [[Giant Covalent Structure]] made from [[Silicon Dioxide]].
===About Glass===