The book has been written according to the latest syllabus of J&K Board of School Education Table Of Contents: PHYSICS:1. Light-Reflection and Refraction2. The human eye and the Colourful World3. Electricity4. Magnetic Effect of Electric Current5. Sorces of EnergyCHEMISTRY:1. Chemical Reactions and Equations2. Periodic classification of Elements3. Carbon and its compounds4. Metals and non-Metals5. Acid, Bases and SaltsLIFE SCIENCE:1. Life Processes2. Control and Coordination3. How do Organisms Reproduce4. Heredity and Genetcis5. Our Environment6. Management of Natural Resources