Grade 9-1 GCSE Combined Science: AQA Workbook - Higher The best way to check and develop understanding throughout the Grade 9-1 AQA GCSE Combined Science Higher course is by using CGP's brilliant Workbook. It's packed with hundreds of indispensable questions covering every key topic (including practical questions) - ideal for honing the vital skills in class or at home. There are also tips and hints for some of the trickiest questions, and a generous dash of CGP fun to help keep students motivated. Answers to every question are available in a separate book (9781789082548). Don't miss matching study notes in CGP's AQA GCSE Combined Science Higher Level Revision Guide (9781782945598).