GCSE Core Science OCR Gateway Workbook - Higher (A*-G course) by CGP Books
This book is packed with practice questions for Higher level GCSE Science students. It covers every year 10 topic for the OCR Gateway exams with a range of exercises that test what you know and how well you can apply your knowledge. The answers come in a separate book (9781841467153). Matching study notes and explanations are also available in the CGP Revision Guide (9781841467139).