CBSE-8 Science

Lessons

1. Ch-1 Crop Production and Management

   Easy

   1 hour 40 mins
2. Ch-2 Microorganisms : Friend and Foe

   Easy

   1 hour 30 mins
3. Ch-3 Synthetic Fibres and Plastics

   Easy

   1 hour 30 mins
4. Ch-4 Metals and Non-Metals

   Easy

   1 hour 30 mins
5. Ch-5 Coal and Petroleum

   Easy

   2 hours 0 mins
6. Ch-6 Combustion and Flame

   Hard

   2 hours 0 mins
7. Ch-7 Conservation of Plants and Animals

   Hard

   1 hour 30 mins
8. Ch-8 Cell-Structure and Functions

   Easy

   1 hour 30 mins
9. Ch-9 Reproduction in Animals

   Easy

   2 hours 0 mins
10. Ch-10 Reaching the Age of Adolescence

    Easy

    2 hours 0 mins
11. Ch-11 Force and Pressure

    Hard

    1 hour 30 mins
12. Ch-12 Friction

    Hard

    2 hours 0 mins
13. Ch-13 Sound

    Easy

    1 hour 30 mins
14. Ch-14 Chemical Effects of Electric Current

    Hard

    2 hours 0 mins
15. Ch-15 Some Natural Phenomena

    Easy

    2 hours 0 mins
16. Ch-16 Light

    Easy

    1 hour 30 mins
17. Ch-17 Stars and The Solar System

    Easy

    2 hours 0 mins
18. Ch-18 Pollution of Air and Water

    Easy

    1 hour 30 mins