These clips are form the BBC series The Alchemist's Apprentice. Suitable for: Chemistry at Key Stage 3 and 4 / GCSE in England, Wales and Northern Ireland or National 4 and National 5 in Scotland.

A series of fascinating clips in which food writer and presenter Stefan Gates explores the science behind agriculture's most important event, harvest. Suitable for: KS3 and KS4/GCSE in England ...