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By rohit.pandey1
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Updated on 9 Feb 2026, 16:07 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.
NCERT Solutions for Class 8 Science serve as the definitive foundation for students aiming to master the concepts outlined in the latest CBSE curriculum. As the education system transitions toward the Curiosity textbook framework, these solutions provide precise, realistic, and simplified explanations for every chapter.
From Crop Production to Sound and Chemical Effects of Electric Current, our guide ensures conceptual clarity for school exams and competitive foundations like NTSE or Olympiads.
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.
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 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:
JEE
NEET
Foundation JEE
Foundation NEET
CBSE
| 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 |
The following table breaks down the NCERT Class 8 Science chapters by their exam importance. This structure is designed to help students prioritize their revision according to the latest marking scheme.
| Priority Level | Chapter Name | Focus Area | Key Concepts |
| High Weightage | Chapter 6: Reproduction in Animals | Biology | Asexual/Sexual reproduction, Fertilization |
| Chapter 8: Force and Pressure | Physics | Atmospheric pressure, Contact forces | |
| Chapter 10: Sound | Physics | Amplitude, Frequency, Pitch, Audible range | |
| Chapter 13: Light | Physics | Laws of Reflection, Eye structure, Braille | |
| Medium Weightage | Chapter 3: Coal and Petroleum | Chemistry | Fossil fuels, Carbonization, Petrochemicals |
| (25-30%) | Chapter 4: Combustion and Flame | Chemistry | Ignition temperature, Fuel efficiency |
| Chapter 9: Friction | Physics | Factors affecting friction, Fluid friction | |
| Chapter 11: Chemical Effects of Electric Current | Physics | Electrolysis, Electroplating | |
| Standard Weightage | Chapter 1: Crop Production & Management | Applied Science | Sowing, Irrigation, Harvesting, Storage |
| (20-25%) | Chapter 2: Microorganisms: Friend & Foe | Microbiology | Antibiotics, Vaccines, Nitrogen fixation |
| Chapter 5: Conservation of Plants & Animals | Ecology | Deforestation, Red Data Book, Sanctuaries | |
| Chapter 7: Reaching the Age of Adolescence | Human Biology | Hormones, Puberty, Reproductive health |
| 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 |
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.
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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.