Physics 1. Force and Pressure 2. Friction 3. Light 4. Stars and the Solar System 5. Chemical Effects of Electric Current 6. Sound 7. Some Natural Phenomena Chemistry 1. Coal and Petroleum 2. Metals and Non-metals 3. Combustion and flamer Biology 1. Crop production and management 2. Microorganisms: Friend and Foe 3. Conservation of Plants and Animals 4. Reproduction in Animals 5. Reaching the Age of Adolescence
