This new photocopiable pack forms part of a series of resources to teach and study How Science Works in biology, a core QCA requirement of the new specifications. Each pack in the series is relevant to all new specifications and presents around 20 up-to-date and relevant topics using worksheets with resources, exercises and questions. The exercises are designed to develop a range of HSW skills and make students aware of the impact of science on their daily lives and on society as a whole. Each topic comes with teacher's notes, comprising lesson plans, answers to questions and suggestions for further discussion. The content of each pack is also available in pdf format on an accompanying free CD.