Chapter-16: Management of Natural Resources Chapter-15: Our Environment Chapter-14: Sources of Energy Chapter-13: Magnetic Effects of Electric Current Chapter-12: Electricity Chapter-11: Human Eye and the Colourful World Chapter-9: Heredity and Evolution Chapter-10: Light - Reflection and Refraction Chapter-8: Reproduction Chapter-7: Control and Coordination in animals and Plants Chapter-5: Periodic Classification of Elements Chapter-6: Life Processes Chapter-4: Carbon and Its Compounds Chapter-2: Acids, Bases and Salts Chapter-3: Metals and Non – Metals Chapter-1: Chemical Reactions and Equations