Science

Contains:-

• Chapter 1: Crop Production and Management
• Chapter 2: Microorganisms: Friend and Foe
• Chapter 3: Synthetic Fibres and Plastics
• Chapter 4: Materials: Metals and Non-Metals
• Chapter 5: Coal and Petroleum
• Chapter 6: Combustion and Flame
• Chapter 7: Conservation of Plants and Animals
• Chapter 8: Cell – Structure and Functions
• Chapter 9: Reproduction in Animals
• Chapter 10: Reaching the Age of Adolescence
• Chapter 11: Force and Pressure
• Chapter 12: Friction
• Chapter 13: Sound
• Chapter 14: Chemical Effects of Electric Current
• Chapter 15: Some Natural Phenomena
• Chapter 16: Light
• Chapter 17: Stars and The Solar System
• Chapter 18: Pollution of Air and Water