Artikelomschrijving
In Glass, we discover how glass is made from a mixture of sand and limestone. We find out how thesechemicals are heated to a high temperature until they are molten. Then they are shaped, moulded andcoloured to make the fantastic material we use to make windows, glasses for drinking, spectacles andbottles.Fast Fact boxes contain chunks of relevant information, and there is a Glass Fact File at the back ofthe book.