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Science
1. Chemical Reactions and Equations
2. Acids, Bases and Salts
3. Metals and Non-metals
4. Carbon and Its Compounds
5. Life Processes
6. Control and Coordination
7. How Do Organisms Reproduce
8. Heredity and Evolution
9. Light-Reflection and Refraction
10. The Human Eye and the Colourful World
11. Electricity
12. Magnetic Effects of Electric Current
13. Our Environment
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