कक्षा 8 विज्ञान एनसीईआरटी हिंदी पुस्तकें - पूर्ण गाइड

The NCERT Books Class 8 science 2025-26 help students build strong fundamentals across all concepts of science. Each chapter explains everyday phenomena in clear, simple Hindi, making it easy to visualise and understand. Students will find the book thoughtfully organised, with real-life examples and activities matching the latest CBSE pattern.

These chapters are essential for scoring well in CBSE exams, as questions are often based directly on NCERT topics. The book’s structure helps students move step by step from basics to advanced concepts, giving them full confidence during revision and classroom tests.

NCERT Books Class 8 science Chapter-wise Overview

Each chapter in the class 8 science NCERT book develops concepts gradually and covers all CBSE exam points. Learning from NCERT ensures you understand explanations directly as required in school and boards.

Chapter 1: Crop Production and Management

This chapter covers how crops are grown, harvested, and stored. Students learn about agricultural practices, tools, and why proper crop management is important. Focus on the differences between kharif and rabi crops.

Chapter 2: Microorganisms: Friend and Foe

Learn about microorganisms, their types, and how they can be both useful and harmful. The chapter highlights the roles of microbes in health, food, and the environment. Study different diseases caused by viruses and bacteria.

Chapter 3: Coal and Petroleum

Explore natural resources like coal and petroleum, how they are formed, and their uses in daily life. The chapter explains the need for conservation and alternate fuels. Remember fossil fuel differences for the exam.

Chapter 4: Combustion and Flame

This chapter explains what combustion is, types of flames, and how substances burn. Students will understand fire control and the science behind fuels. Pay attention to the structure of a candle flame.

Chapter 5: Conservation of Plants and Animals

Learn the importance of conserving forests, wildlife, and biodiversity. It discusses causes of deforestation and protective measures. Know key terms like wildlife sanctuary and biosphere reserve.

Chapter 6: Reproduction in Animals

Understand how animals reproduce, including sexual and asexual reproduction processes. The chapter also explains fertilisation and development. Read about differences between oviparous and viviparous animals.

Chapter 7: Reaching the Age of Adolescence

This chapter describes changes during adolescence, hormones, and puberty. It covers physical and emotional changes, and maintaining personal hygiene. Note the role of glands in producing hormones.

Chapter 8: Force and Pressure

Explore the fundamentals of force, types of forces, and the concept of pressure. The chapter gives practical examples and experiments from daily life. Be thorough with calculations related to pressure.

Chapter 9: Friction

Learn what friction is, its advantages and disadvantages, and how it can be managed. The chapter also explains methods of increasing or reducing friction. Examine the effects of lubricants.

Chapter 10: Sound

Understand how sound is produced, its properties, and how humans and animals hear. It includes discussions on pitch, frequency, and echoes. Focus on vibration as the source of sound.

Chapter 11: Chemical Effects of Electric Current

This chapter covers the effects of electric current, including electrolysis and testing liquids. The concept of conductors and insulators is explained. Read the examples of chemical changes caused by electricity.

Chapter 12: Some Natural Phenomena

Learn about natural events like lightning, earthquakes, and safety measures. The chapter explains the reasons behind these phenomena. Remember the do’s and don’ts during storms.

Chapter 13: Light

Study properties of light, reflection, and how images are formed. It discusses human vision and common optical instruments. Know ray diagrams and mirrors well.

Chapter 17: Stars and the Solar System

Discover details about stars, planets, and other celestial bodies in the solar system. The chapter explains phases of the moon and constellations. Learn names and features of planets.

Chapter 18: Pollution of Air and Water

Explore reasons for pollution, its effects on health, and ways to reduce it. This chapter covers air and water purification methods. Focus on preventive steps for a healthy environment.

Why Class 8 science NCERT Books by Vedantu Are Useful for CBSE Students

NCERT books help every class 8 student get clarity on all science fundamentals in simple language. They form the core material for board exam preparation and serve as a trusted resource for quick revision. Stepwise explanations in Hindi help you connect concepts easily in class and in exams.

• Directly aligned with CBSE syllabus.
• Clear explanations and authentic definitions.
• Helpful for school exams and board preparation.
• Strong base for revision and reference.

How Class 8 science NCERT Books Help in CBSE Exam Preparation

NCERT books present every topic and example exactly as CBSE expects, supporting easy learning and exam revision. Students get complete coverage of the syllabus and practice relevant questions from every chapter’s end, using related study material like revision notes and sample papers.

• Concepts asked directly in CBSE exams.
• Supports descriptive and application questions.
• Ideal for last-minute revision.

Read every NCERT chapter thoroughly and revise regularly to make your basics strong. Stay confident in exams by understanding each concept explained in your class 8 science book.