| Science |
| 1-Chemical-Reaction-and-Equations |
| 2-Acids-Bases-and-Salts |
| 3-Metals-and-Non-Metals |
| 4-Carbon-and-its-Compounds |
| 5-Periodic-classification-of-Elements |
| 6-Life-Processes |
| 7-Control-and-Coordination |
| 8-How-do-organisms-reproduce |
| 9-Heredity-and-Evolution |
| 10-Light-Reflection-and-Refraction |
| 11-Human-Eye-and-Colourful-World |
| 12-Electricity |
| 13-Magnetic-Effects-of-Electricity-current |
| 14-sources-of-Energy |
| 15-Our-Environment |
| 16-Management-of-Natural-Resources |