silicon (aka sand)
Sidney Waugh has written: 'The art of glass making' 'The making of fine glass'
no, sand is heated to make glass :) youtwat.^.^
glass is fragile,yet strong
Maybe pieces of old,broken glass
Maybe pieces of old,broken glass
Diamond is used to cut glass, since it is harder than glass.
Making Cut Glass - 1914 was released on: USA: 9 January 1914
Yes the Romans did invent glass. When they invented it was the 1st century AD (year 100)How they invented it was they were taking samples and looking though it and they made lenses that are used on microscopes.
Making glass from sand is a physical because the actual composition of the substance (silica) is not changing. Making glass is just melting all the bits of sand into a large piece (glass).
Glass
glass
Quartz is a colorless mineral found in igneous rocks that is commonly used in glass making. It is valued for its hardness and resistance to chemical weathering, making it an ideal ingredient for a variety of glass products.