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By rohit.pandey1
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Updated on 5 Jun 2025, 11:59 IST
Get Free NCERT Solutions for Class 8 Science with detailed explanations, step-by-step solutions, and PDF downloads for all chapters. Updated for CBSE 2025-26 syllabus.
Infinity Learn provides comprehensive NCERT solutions for Class 8 Science that are specifically designed to help students build a strong foundation in scientific concepts. Our NCERT textbook solutions for Class 8 Science cover all 13 chapters with detailed explanations, making complex topics easy to understand.
Our NCERT solutions for Class 8 provide comprehensive coverage of all topics prescribed in the CBSE syllabus. Each solution is crafted to enhance conceptual understanding and improve problem-solving skills.
| Chapter | Chapter Name | Key Topics | Download PDF |
| Chapter 1 | Crop Production and Management | Agricultural practices, Kharif & Rabi crops, Irrigation | Download |
| Chapter 2 | Microorganisms: Friend and Foe | Types of microorganisms, Food preservation, Disease | Download |
| Chapter 3 | Coal and Petroleum | Fossil fuels, Formation, Environmental impact | Download |
| Chapter 4 | Combustion and Flame | Types of combustion, Flame structure, Fire safety | Download |
| Chapter 5 | Conservation of Plants and Animals | Deforestation, Wildlife protection, Biodiversity | Download |
| Chapter 6 | Reproduction in Animals | Sexual & Asexual reproduction, Development stages | Download |
| Chapter 7 | Reaching the Age of Adolescence | Puberty, Hormonal changes, Reproductive health | Download |
| Chapter 8 | Force and Pressure | Types of forces, Pressure applications, Fluid pressure | Download |
| Chapter 9 | Friction | Types of friction, Applications, Advantages & Disadvantages | Download |
| Chapter 10 | Sound | Sound properties, Wave nature, Noise pollution | Download |
| Chapter 11 | Chemical Effects of Electric Current | Conductivity, Electroplating, Chemical reactions | Download |
| Chapter 12 | Some Natural Phenomena | Lightning, Earthquakes, Static electricity | Download |
| Chapter 13 | Light | Reflection, Refraction, Human eye, Color formation | Download |
Our NCERT solutions for Class 8 Science Chapter 1 provide comprehensive understanding of agricultural practices and crop management techniques.
Key Learning Areas:
Important Questions Covered:
The NCERT solutions for Class 8 Science Chapter 2 explore the fascinating world of microorganisms and their impact on human life.
Topics Covered:
| Topic | Description | Importance |
| Types of Microorganisms | Bacteria, Fungi, Protozoa, Algae | High |
| Beneficial Microorganisms | Food production, Medicine, Agriculture | Very High |
| Harmful Microorganisms | Disease causation, Food spoilage | High |
| Food Preservation | Methods and techniques | Medium |
Our NCERT solutions for Class 8 Science Chapter 5 emphasize the critical importance of biodiversity conservation.
Core Concepts:
The NCERT solutions for Class 8 Science Chapter 6 provide detailed insights into animal reproduction processes.
Key Learning Outcomes:
Our NCERT solutions for Class 8 Science Chapter 7 address the biological and psychological changes during adolescence.
Important Topics:
The NCERT solutions for Class 8 Science Force and Pressure chapter covers fundamental physics concepts that form the foundation for advanced studies.
Detailed Coverage:
| Concept | Applications | Real-life Examples |
| Contact Forces | Muscular, Friction | Pushing, Pulling |
| Non-contact Forces | Magnetic, Gravitational | Falling objects, Magnets |
| Pressure | Atmospheric, Liquid | Weather, Hydraulics |
| Force Effects | Motion, Shape change | Sports, Engineering |
Our NCERT solutions for Class 8 Science Chapter Friction explain this omnipresent force and its applications.
Key Concepts:
The NCERT solutions for Class 8 Science Chapter Sound explore the physics of sound waves and their properties.
Comprehensive Topics:
Our NCERT solutions for Class 8 Science Some Natural Phenomena explain fascinating natural events and their scientific basis.
Topics Included:
The NCERT solutions for Class 8 Science Light chapter covers optics fundamentals essential for understanding vision and optical instruments.
Detailed Study Areas:
| Topic | Key Concepts | Applications |
| Reflection | Laws of reflection, Types | Mirrors, Periscopes |
| Refraction | Bending of light | Lenses, Optical fibers |
| Human Eye | Structure, Function | Vision correction |
| Colors | Dispersion, Spectrum | Rainbows, Prisms |
Most Important Chapters for CBSE Exams
| Class 8 Science Chapter | Related Social Science Topic | Future Application |
| Coal and Petroleum | Geography - Natural Resources | Environmental Studies |
| Conservation | History - Environmental Movements | Ecology |
| Microorganisms | History - Disease and Medicine | Biotechnology |
| Natural Phenomena | Geography - Climate and Weather | Earth Sciences |
| Time Slot | Activity | Focus Area |
| 30 mins | Chapter Reading | Concept Understanding |
| 20 mins | NCERT Exercise | Problem Solving |
| 15 mins | Diagram Practice | Visual Learning |
| 10 mins | Quick Revision | Memory Reinforcement |
| Chapter | Topic Focus | Download Link |
| Chapter 1 | Agricultural Sciences | Download PDF |
| Chapter 2 | Microbiology | Download PDF |
| Chapter 3 | Energy Resources | Download PDF |
| Chapter 4 | Chemical Processes | Download PDF |
| Chapter 5 | Environmental Science | Download PDF |
| Chapter 6 | Reproductive Biology | Download PDF |
| Chapter 7 | Human Development | Download PDF |
| Chapter 8 | Mechanics & Forces | Download PDF |
| Chapter 9 | Applied Physics | Download PDF |
| Chapter 10 | Wave Physics | Download PDF |
| Chapter 11 | Electrochemistry | Download PDF |
| Chapter 12 | Natural Sciences | Download PDF |
| Chapter 13 | Optics & Vision | Download PDF |
NCERT solutions for Class 8 Science with Infinity Learn's comprehensive study materials. Our expertly crafted solutions ensure you build a strong foundation for future scientific studies while excelling in your current examinations.
Yes, our NCERT solutions for Class 8 Science are completely updated according to the CBSE syllabus 2025-26 with all the latest changes incorporated.
Absolutely! All our solutions are available in downloadable PDF format for convenient offline access.
Our NCERT textbook solutions for Class 8 Science provide:
Force and Pressure, Sound, Light, and Reproduction in Animals typically carry higher weightage in CBSE examinations.
Class 8 science forms the foundation for Class 9 and 10 concepts. For example, Force and Pressure leads to Motion in Class 9, and Light concepts continue in Class 10.