3Extensive research through lesson observations, teacher interviews and work with our research community (the Cambridge Panel) means that this coursebook with digital access meets the real teaching needs of the chemistry classroom. Exam-style questions ensure students feel confident approaching assessment. New features provide reflection opportunities and self-evaluation checklists develop responsible learners. The coursebook provides a range of enquiry questions, such as practical activities, group work and debate questions that develop 21st century skills. It supports English as a second language learners with key command terms, accessible language and glossary definitions.