Humans have been chemically modifying their world for far longer than you might think. Long before they had the slightest idea of what was happening chemically, they were turning clay into bricks, ...

Look more closely, though, and it’s easy to tell the difference. What is crystal? Crystal is a type of glass made with lead ...

Fran Scott learns how glass is made in a factory ... These clips will be relevant for teaching Science and Chemistry at KS4 in England, Wales and Northern Ireland and National 4/5 in Scotland.

State and explain which type of glass would be best to make a boiling tube, for use in a school chemistry laboratory. Borosilicate glass would be best because it has a higher melting point than ...