GCSE Physics OCR Gateway Revision Guide This book is full of clear revision notes, diagrams and all the formulae for GCSE Physics students. It covers every topic for the OCR Gateway year 10 and 11 exams. The whole thing's designed to make revision straightforward - each section is split into a topic per page, with questions to check what you've learnt and practice calculations (with answers) at the end. It's all explained simply and thoroughly with lots of handy exam tips and guidance on 'How Science Works'.