1  Chemical Reactions and Equations, 2. Acid, Bases and Salts, 3. Metal and Non - Metal, 4. Carbon and Its Compounds, 5. Periodic Classification of Elements, 6. Life Processes, 7. Control and Coordination, 8. How do Organisms Reproduce ?, 9.Heredity and Evolution, 10. Light - Relection and Refrection, 11. Human eye and Colourful World, 12. Electricity, 13. Magnetic Effects of Electric Cureent, 14.Sourece of Energy, 15.Our Environment, 16.Management of Natural Resources.