This book aims to cover the specifications of the main examination boards for GCSE Double Science, GCSE Single Science and the core content of GCSE Chemistry. Where relevant, Key Stage 3 material is summarized as an introduction to GCSE topics. This serves as revision of work done prior to Key Stage 4, and a foundation for GCSE studies. The book is
Section A: Classifying Materials. Atomic Structure. Section B: Changing Materials. The Atmosphere. Section C: Patterns of Behavior. Formulae and Equations II. Reactions.