- Some Natural Phenomena
- Conservation of Plants and Animals
- Friction
- Metals and Non-Metals
- Light
- Cell
- Crop Production and Management
- Logical Reasoning
- Sound
- Coal and Petroleum
- Stars and Solar System
- Reproduction in Animals
- Micro-organisms
- Chemical Effects of Electric Current
- Combustion and Flame
- Pollution of Air and Water
- Force and Pressure
- Synthetic Fibres and Plastics