Class 8 Science Notes. Chapter 13 Sound. PDF download free.
Class 8 Science Notes
Chapter 13 Sound
PDF Download Free
- Chapter 1: Crop Production and Management
- Chapter 2: Microorganisms Friend and Foe
- Chapter 3: Synthetic Fibres and Plastics
- Chapter 4: Materials Metals and Non-Metals
- Chapter 5: Coal and Petroleum
- Chapter 6: Combustion and Flame
- Chapter 7: Conservation of Plants and Animals
- Chapter 8: Cell Structure and Functions
- Chapter 9: Reproduction in Animals
- Chapter 10: Reaching the Age of Adolescence
- Chapter 11: Force and Pressure
- Chapter 12: Friction
- Chapter 13: Sound
- Chapter 14: Chemical Effects of Electric Current
- Chapter 15: Some Natural Phenomena
- Chapter 16: Light
- Chapter 17: Stars and the Solar System
- Chapter 18: Pollution of Air and Water