This superb Revision Guide is the perfect companion to Grade 9-1 AQA GCSE Combined Science (Higher level). The entire course is explained clearly and concisely, with brilliant coverage of the required practicals, maths skills and Working Scientifically, all in CGP's bold 'no-nonsense' style. Each page is rounded off with practice questions to help cement what students have learned, with answers at the back of the book.