This book mirrors the layout of the Gateway Science OCR specification exactly. It summarizes items at the start of each section to aid revision. It has personalised learning activities that enable students to review what they have learnt. It includes advice from examiners on common pitfalls and how to avoid them. It prepares students for the exam. It features additional questions that cover the QCA science criteria 3.6 'How Science Works'. It also provides links to the Student Books to make it easy to cross-refer.