These International A/AS‎-level Science Revision Guides provide exam‎-focused texts to guide students through the content and skills of the course to prepare them for their AS and A‎-level exams‎.‎ Each guide in the series provides‎:‎ ‎- Introduction‎:‎ containing an overview of the course and how it is assessed‎,‎ advice on revision and taking the examination papers‎.‎ ‎- Content Guidance‎:‎ provides a summary of the facts and concepts that you need to know for the examination‎.‎ ‎- Skills‎:‎ explains the data‎-handling skills you will need to answer some of the questions in the written papers‎.‎ It also explains the practical skills that you will need in order to well in the practical examination‎.‎ ‎- Questions and Answers‎:‎ contains a specimen examination paper for you to try‎,‎ followed by a set of student‎'‎s answers for each question