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By rohit.pandey1
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Updated on 4 Jul 2025, 16:35 IST
CBSE Class 8 Science Notes are an essential study tool for students who want to build a strong understanding of Physics, Chemistry, and Biology concepts. These Class 8 Science Notes are prepared according to the latest NCERT syllabus and cover all chapters in a clear, concise, and easy-to-revise format. Each chapter wise summary includes important definitions, key concepts, and well-labeled diagrams to help you grasp topics like Crop Production and Management, Microorganisms: Friend and Foe, Synthetic Fibres and Plastics, Materials: Metals and Non-Metals, Coal and Petroleum, Combustion and Flame, Conservation of Plants and Animals, Cell Structure and Functions, Reproduction in Animals, Force and Pressure, Friction, Sound, Chemical Effects of Electric Current, Some Natural Phenomena, and Light.
These CBSE Class 8 Science Revision Notes are designed for quick learning and long-term retention, making them perfect for regular study, last-minute exam revision, and CBSE exam preparation. With a focus on key science keywords, important questions, and chapter wise summaries, these notes help you revise efficiently and score higher marks. The notes also include solved examples, important terms, and practice questions to strengthen your foundation in science.
Get the FREE CBSE Class 8 Science Notes PDF and make your exam preparation easier and more effective. These Class 8 Science Notes are expertly prepared by subject experts and fully updated as per the latest CBSE Class 8 Science Syllabus 2025-26. Each note covers all important topics, key concepts, definitions, and diagrams to help you understand and revise quickly.
Find the complete list of CBSE Class 8 Science Notes PDF for every chapter below. Click the links to access detailed, easy-to-understand notes for each chapter.
S. No | CBSE Class 8 Science Notes PDF – Chapter-wise |
1. | Chapter 1 - Crop Production and Management Notes |
2. | Chapter 2 - Microorganisms: Friend and Foe Notes |
3. | Chapter 3 - Coal and Petroleum Notes |
4. | Chapter 4 - Combustion and Flame Notes |
5. | Chapter 5 - Conservation of Plants and Animals Notes |
6. | Chapter 6 - Reproduction in Animals Notes |
7. | Chapter 7 - Reaching The Age of Adolescence Notes |
8. | Chapter 8 - Force and Pressure Notes |
9. | Chapter 9 - Friction Notes |
10. | Chapter 10 - Sound Notes |
11. | Chapter 11 - Chemical Effects of Electric Current Notes |
12. | Chapter 12 - Some Natural Phenomena Notes |
13. | Chapter 13 - Light Notes |
This CBSE Class 8 Science Notebook – Chapter-wise Overview is your one-stop resource for mastering every topic. Use it for daily studies, doubt clearance, and exam preparation. Each section is crafted to make science simple, engaging, and effective.
This chapter explains how crops are grown, managed, and harvested. It covers agricultural practices like soil preparation, sowing, irrigation, and crop protection. Students learn the scientific techniques used in farming and storage.
Learn about the different types of microorganisms (bacteria, fungi, protozoa, viruses) and how they can be both helpful (in making medicines, cleaning the environment) and harmful (causing diseases and food spoilage).
This chapter focuses on man-made fibres like rayon, nylon, polyester, and types of plastics. It also discusses their properties, uses, and harmful effects on the environment.
Explore the physical and chemical properties of metals and non-metals. Learn about their uses, reactions with acids and bases, and real-life applications.
Understand fossil fuels like coal and petroleum, their formation, uses, and the need for conservation due to their limited availability.
This chapter explains what combustion is, the different types of flames, and how fuels burn. It also includes fire safety and the ideal fuel characteristics.
Learn the importance of protecting forests and wildlife. This chapter explains biodiversity, causes of deforestation, and conservation strategies like biosphere reserves and national parks.
Discover the basic unit of life – the cell. Understand the difference between plant and animal cells, and learn about various cell organelles and their functions.
This chapter explains how animals reproduce through sexual and asexual methods. It also covers fertilization, development stages, and reproductive organs.
Understand the physical, emotional, and hormonal changes during puberty. It also discusses health, hygiene, and the role of hormones.
Learn about different types of forces and how they affect objects. This chapter also explains pressure, its applications, and its role in daily life.
Study the causes and effects of friction, and understand how it can be both helpful and unwanted. It also covers methods to increase or reduce friction.
Explore how sound is produced, how it travels through different media, and how we hear. It also introduces frequency, pitch, and noise pollution.
Learn how electric current causes chemical reactions. Topics include electroplating, conduction through liquids, and applications of chemical effects.
This chapter explains natural events like lightning and earthquakes, how they occur, and the safety precautions to take.
Understand the behavior of light, including reflection, refraction, and human eye functions. Learn about lenses, mirrors, and visual defects.
CBSE Class 8 Science Notes are essential for students because they make learning easier, more organized, and more effective. Here’s why these Class 8 Science Notes are so valuable for CBSE students:
In summary, CBSE Class 8 Science Notes PDF, with their chapter-wise coverage, important questions, and easy explanations, make studying more efficient, help students master key concepts, and are a powerful tool for exam success and long-term learning.
CBSE Class 8 Science includes chapters on Crop Production and Management, Microorganisms: Friend and Foe, Synthetic Fibres and Plastics, Materials: Metals and Non-Metals, Coal and Petroleum, Combustion and Flame, Conservation of Plants and Animals, Cell Structure and Functions, Reproduction in Animals, Reaching the Age of Adolescence, Force and Pressure, Friction, Sound, Chemical Effects of Electric Current, Some Natural Phenomena, and Light.
Class 8 Science Notes provide concise summaries, important definitions, and key diagrams for each chapter, making revision easier and helping students focus on the most important concepts for exams.
To revise all chapters effectively, students should use chapter-wise notes, solve previous years’ question papers, practice important questions, and regularly review key formulas and diagrams.
Yes, diagrams are crucial in Class 8 Science. They help explain concepts visually, are often asked in exams, and can help students score higher marks when labeled correctly.
Common exam questions include definitions, differences between concepts, short notes on processes, labeling diagrams, and application-based questions from chapters like Force and Pressure, Reproduction, and Light.
Students can improve understanding by reading NCERT textbooks, using simplified notes, watching educational videos, practicing with worksheets, and seeking help from teachers or classmates for challenging topics.