This magnificent CGP Exam Practice Workbook will prepare students for the Higher Level GCSE OCR Gateway Combined Science exams. Inside, there are hundreds of realistic exam-style questions covering every topic - including questions on all the required practicals. Plus, there are exam tips sprinkled throughout and a section of mixed questions at the end - cracking! What's more, every question is labelled with a grade range on the GCSE 9-1 scale, so it's easy for students to focus their practice on the difficulty level that suits them best. Detailed step-by-step answers are available in a separate Answer Book (9781782945239). For students studying Combined Science (sometimes called 'Double Award Science').