This new book will enable students to find clear, concise explanations of Key Stage 3 National Curriculum concepts in a single, compact source. Features include: * division into three main sctions corresponding to each attainment target for easy reference * each spread starts with brief learning objectives and ends with graded questions to help independent study * accessible text and clear full-colour line diagrams and photogrphs * initial checklist helps students to identify strengths and weaknesses in their knowledge * at-a-glance summary pages help provide an overview of each section