Twenty First Century Science BL is a suite of complementary specifications offering flexible and exciting options for science at GCSE BL is unique in having been extensively trialled over three years with more than 6,000 students in each year BL is motivating, stimulating, and relevant The specifications and resources are the products of close collaboration between the University of York Science Education Group, the Nuffield Curriculum Centre, OCR, and Oxford University Press. The GCSE Separate Sciences textbook contains three modules (longer than the modules in GCSE Science and GCSE Additional Science): B7 Biology across the ecosystem C7 Chemistry for a sustainable world P7 Observing the Universe These modules taken as well as B1-3 and B4-6, C1-3 and C4-6, and P1-3 and P4-6, respectively, which are included in GCSE Science and GCSE Additional Science, cover the material required for the separate science qualifications GCSE Biology, GCSE Chemistry, and GCSE Physics. Accompanying the textbooks is a comprehensive range of resources: Workbooks for the whole of each separate science course, which can be used for homework and provide the student with a set of summary notes to help with revision. Teacher and Technician Guides, with lesson plans covering the whole module, activity sheets, assessments, homework, and cover lessons for each of B7, C7, and P7. Included with each of the Teacher and Technician Guides is a mini iPack CD-ROM, which includes electronic versions of the lesson plans and activity sheets, along with a selection of video clips, animations, and PowerPoint presentations. For more information, visit: www.twentyfirstcenturyscience.org