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