Class 8 Science NCERT Book 2025-26 – Free Chapter-wise PDF

The NCERT Books Class 8 science 2025-26 offer a clear path for learning key science topics including physics, chemistry, and biology in a single book. Each chapter is written in simple language, stepwise, and covers all important ideas that CBSE exams expect. Students benefit by learning with official NCERT explanations, diagrams, and exercises updated for the 2025-26 syllabus.

The structure of this NCERT Science book makes revision and practice easy, using clear definitions and activity-based questions. Using this book helps students avoid exam errors and builds a strong science base for higher classes and competitive exams.

NCERT Books Class 8 Science Chapter-wise Overview

Every chapter introduces one main science concept and builds knowledge step by step, closely following CBSE topics. The full book supports direct preparation and revision for all Class 8 science chapters.

Chapter 1: Crop Production and Management

This chapter explains how crops are grown, harvested, and stored. Students learn about farming tools, soil preparation, and the main steps in crop management. Focus on understanding agricultural practices for both exams and real-life application.

Chapter 2: Microorganisms: Friend and Foe

Students discover the world of microorganisms—how some help us (like in curd making) and others cause diseases. Learn the importance of cleanliness and vaccination. Pay special attention to examples of useful and harmful microbes.

Chapter 3: Synthetic Fibres and Plastics

This chapter covers types of synthetic fibres, their properties, and the uses and impacts of plastics. Students should note environmental issues caused by plastics. Understand differences between natural and synthetic fibres for exams.

Chapter 4: Materials: Metals and Non-Metals

Learners explore characteristics and uses of metals and non-metals. Important points include physical and chemical properties, with examples. Focus on identification and reactions of common metals and non-metals.

Chapter 5: Coal and Petroleum

This topic explains how coal, petroleum, and natural gas are formed and their main uses. Know the difference between renewable and non-renewable resources. Note the ways to conserve fossil fuels for exam questions.

Chapter 6: Combustion and Flame

The chapter details what causes things to burn and the types of flames produced. Key concepts include ignition temperature and fire control. Remember the definitions and safety measures linked to combustion.

Chapter 7: Conservation of Plants and Animals

This chapter emphasizes the importance of forests and wildlife and steps to protect them. Students learn about national parks, sanctuaries, and endangered species. Focus on conservation efforts and their reasons.

Chapter 8: Cell—Structure and Functions

Students are introduced to the structure and functions of a cell, the basic unit of life. Diagrams of plant and animal cells are important. Understand cell parts and their roles for quick recall.

Chapter 9: Reproduction in Animals

The process of reproduction in animals, both sexual and asexual, is explained. Focus on examples and differences between the methods. Pay attention to lifecycles and biological terms used.

Chapter 10: Reaching the Age of Adolescence

Learners study changes during adolescence and the role of hormones in growth. Read carefully about balanced diet and healthy habits during teenage years. Note definitions of puberty and related terms.

Chapter 11: Force and Pressure

This chapter explains the concepts of force, different types of forces, and how pressure is created. Key points include real-world examples involving force and calculation basics. Remember formulas and units given in NCERT.

Chapter 12: Friction

Students understand what causes friction, its effects, and ways to increase or decrease it. The chapter highlights both helpful and harmful friction. Focus on daily life examples and reasons for frictional differences.

Chapter 13: Sound

The properties and production of sound, along with its travel through different media, are discussed. Learn about amplitude, frequency, and pitch. Mark the role of the human ear and sound-related exercises for exams.

Chapter 14: Chemical Effects of Electric Current

This chapter explores what happens when electric current passes through solutions. Topics like electroplating and conduction in liquids are key. Focus on NCERT activities and everyday uses of chemical effects.

Chapter 15: Some Natural Phenomena

Students learn about lightning, earthquakes, and their safety measures. Understand the causes and effects of these phenomena. Note simple precautions for natural disasters as mentioned in NCERT.

Chapter 16: Light

This chapter explains light, reflection, and how we see things around us. Important topics include use of mirrors and lenses. Focus on ray diagrams and activities related to shadows and images.

Chapter 17: Stars and the Solar System

Learn about planets, stars, and the solar system’s structure. The chapter highlights phases of the moon and simple facts about celestial bodies. Pay attention to diagrams and positions explained in the book.

Chapter 18: Pollution of Air and Water

This topic focuses on major causes and effects of pollution, both air and water. Solutions and preventive steps are discussed. Note definitions and case studies for clear answers in exam papers.

Why NCERT Books by Vedantu Are Useful for CBSE Students

NCERT books make science concepts easy to understand and are the main resource for all CBSE and school exams. With updated chapters for 2025–26, students build a solid foundation and revise topics confidently. Vedantu ensures you get only the latest, CBSE-mapped content in simple language.

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

How NCERT Books Help in CBSE Exam Preparation

NCERT Science books cover every topic found in CBSE exams and help with last-minute revision. Each chapter provides important NCERT textbook points and question patterns, supporting both descriptive and application-based questions.

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

Read each NCERT chapter with focus and try exercises on your own. Regular revision makes you confident for any Science exam and gives you a strong science foundation.