---
type: "Subject"
knowledge_type: "subject"
entity_type: "subject"
id: "66ab5c44543b6f461d7a9cda"
title: "Class 8 - Science"
board: "CBSE"
curriculum: "CBSE"
class_id: "66ab5807ffbb5019db722156"
class: "Class 8"
class_name: "Class 8"
class_slug: "class-8"
class_canonical_url: "https://www.edzy.ai/cbse-class-8"
class_markdown_url: "https://www.edzy.ai/okf/class/cbse-class-8.md"
subject: "Science"
subject_slug: "science"
canonical_url: "https://www.edzy.ai/cbse-class-8-science"
markdown_url: "https://www.edzy.ai/okf/subject/cbse-class-8-science.md"
source_type: "examSubject"
source_id: "66ab5c44543b6f461d7a9cda"
source: "Edzy"
book_count: "1"
chapter_count: "13"
topic_count: "83"
version: "1"
last_updated: "2026-06-25"
svg_icon: "https://edzy-ai.s3.ap-south-1.amazonaws.com/edzy-express-ts/cf4118b3-af31-4256-9b18-f7171d6a1aa1.svg"
color_name: "Mint Green"
color_light_foreground: "#10B981"
color_light_background: "#F0F8E8"
color_dark_foreground: "#2FC48E"
color_dark_background: "#334A2A"
---

# Class 8 - Science

Science is a CBSE Class 8 subject on Edzy.

## Knowledge Snapshot

| Field | Details |
| :--- | :--- |
| Board | CBSE |
| Curriculum | CBSE |
| Class | Class 8 |
| Subject | Science |
| Subject Slug | science |
| Book Count | 1 |
| Chapter Count | 13 |
| Topic Count | 83 |
| Last Updated | 2026-06-25 |

## OKF Hierarchy

| Level | Title | Canonical URL | Markdown URL |
| :--- | :--- | :--- | :--- |
| Class | Class 8 | https://www.edzy.ai/cbse-class-8 | https://www.edzy.ai/okf/class/cbse-class-8.md |
| Subject | Science | https://www.edzy.ai/cbse-class-8-science | https://www.edzy.ai/okf/subject/cbse-class-8-science.md |

## Book Index

| No. | Book ID | Book | Book Slug | Chapters | Topics | Canonical URL | Markdown URL |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 1 | 69c0d134cfcc14a8a5a0c183 | Curiosity | curiosity | 13 | 83 | https://www.edzy.ai/cbse-class-8-science-curiosity | https://www.edzy.ai/okf/book/cbse-class-8-science-curiosity.md |

## Book-Wise Chapter Index

### Curiosity

| No. | Chapter ID | Chapter | Chapter Number In Book | Pages | Page Count | Topics | Canonical URL | Markdown URL |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 1 | 69c0d258cfcc14a8a5a4f0a5 | Exploring the Investigative World of Science | 1 | 1-8 | 8 | 8 | https://www.edzy.ai/cbse-class-8-science-curiosity-exploring-the-investigative-world-of-science | https://www.edzy.ai/okf/chapter/cbse-class-8-science-curiosity-exploring-the-investigative-world-of-science.md |
| 2 | 69c0d287cfcc14a8a5a599c8 | The Invisible Living World: Beyond Our Naked Eye | 2 | 9-27 | 19 | 7 | https://www.edzy.ai/cbse-class-8-science-curiosity-the-invisible-living-world-beyond-our-naked-eye | https://www.edzy.ai/okf/chapter/cbse-class-8-science-curiosity-the-invisible-living-world-beyond-our-naked-eye.md |
| 3 | 69c0d29ecfcc14a8a5a5ed36 | Health: The Ultimate Treasure | 3 | 28-45 | 18 | 7 | https://www.edzy.ai/cbse-class-8-science-curiosity-health-the-ultimate-treasure | https://www.edzy.ai/okf/chapter/cbse-class-8-science-curiosity-health-the-ultimate-treasure.md |
| 4 | 69c0d2b3cfcc14a8a5a638b3 | Electricity: Magnetic and Heating Effects | 4 | 46-61 | 16 | 3 | https://www.edzy.ai/cbse-class-8-science-curiosity-electricity-magnetic-and-heating-effects | https://www.edzy.ai/okf/chapter/cbse-class-8-science-curiosity-electricity-magnetic-and-heating-effects.md |
| 5 | 69c0d2c8cfcc14a8a5a684aa | Exploring Forces | 5 | 62-79 | 18 | 8 | https://www.edzy.ai/cbse-class-8-science-curiosity-exploring-forces | https://www.edzy.ai/okf/chapter/cbse-class-8-science-curiosity-exploring-forces.md |
| 6 | 69c0d2dccfcc14a8a5a6cd76 | Pressure, Winds, Storms, and Cyclones | 6 | 80-97 | 18 | 6 | https://www.edzy.ai/cbse-class-8-science-curiosity-pressure-winds-storms-and-cyclones | https://www.edzy.ai/okf/chapter/cbse-class-8-science-curiosity-pressure-winds-storms-and-cyclones.md |
| 7 | 69c0d2f2cfcc14a8a5a71a6c | Particulate Nature of Matter | 7 | 98-115 | 18 | 7 | https://www.edzy.ai/cbse-class-8-science-curiosity-particulate-nature-of-matter | https://www.edzy.ai/okf/chapter/cbse-class-8-science-curiosity-particulate-nature-of-matter.md |
| 8 | 69c0d30dcfcc14a8a5a77ba7 | Nature of Matter: Elements, Compounds, and Mixtures | 8 | 116-134 | 19 | 5 | https://www.edzy.ai/cbse-class-8-science-curiosity-nature-of-matter-elements-compounds-and-mixtures | https://www.edzy.ai/okf/chapter/cbse-class-8-science-curiosity-nature-of-matter-elements-compounds-and-mixtures.md |
| 9 | 69c0d326cfcc14a8a5a7d4c4 | The Amazing World of Solutes, Solvents, and Solutions | 9 | 135-151 | 17 | 8 | https://www.edzy.ai/cbse-class-8-science-curiosity-the-amazing-world-of-solutes-solvents-and-solutions | https://www.edzy.ai/okf/chapter/cbse-class-8-science-curiosity-the-amazing-world-of-solutes-solvents-and-solutions.md |
| 10 | 69c0d339cfcc14a8a5a81a29 | Light: Mirrors and Lenses | 10 | 152-169 | 18 | 4 | https://www.edzy.ai/cbse-class-8-science-curiosity-light-mirrors-and-lenses | https://www.edzy.ai/okf/chapter/cbse-class-8-science-curiosity-light-mirrors-and-lenses.md |
| 11 | 69c0d34ecfcc14a8a5a866bf | Keeping Time with the Skies | 11 | 170-189 | 20 | 4 | https://www.edzy.ai/cbse-class-8-science-curiosity-keeping-time-with-the-skies | https://www.edzy.ai/okf/chapter/cbse-class-8-science-curiosity-keeping-time-with-the-skies.md |
| 12 | 69c0d369cfcc14a8a5a8c7fd | How Nature Works in Harmony | 12 | 190-209 | 20 | 8 | https://www.edzy.ai/cbse-class-8-science-curiosity-how-nature-works-in-harmony | https://www.edzy.ai/okf/chapter/cbse-class-8-science-curiosity-how-nature-works-in-harmony.md |
| 13 | 69c0d38dcfcc14a8a5a94a07 | Our Home: Earth, a Unique Life Sustaining Planet | 13 | 210-227 | 18 | 7 | https://www.edzy.ai/cbse-class-8-science-curiosity-our-home-earth-a-unique-life-sustaining-planet | https://www.edzy.ai/okf/chapter/cbse-class-8-science-curiosity-our-home-earth-a-unique-life-sustaining-planet.md |

## Chapter Index

| No. | Book ID | Chapter ID | Chapter | Chapter Number In Book | Pages | Page Count | Topics | Canonical URL | Markdown URL |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 1 | 69c0d134cfcc14a8a5a0c183 | 69c0d258cfcc14a8a5a4f0a5 | Exploring the Investigative World of Science | 1 | 1-8 | 8 | 8 | https://www.edzy.ai/cbse-class-8-science-curiosity-exploring-the-investigative-world-of-science | https://www.edzy.ai/okf/chapter/cbse-class-8-science-curiosity-exploring-the-investigative-world-of-science.md |
| 2 | 69c0d134cfcc14a8a5a0c183 | 69c0d287cfcc14a8a5a599c8 | The Invisible Living World: Beyond Our Naked Eye | 2 | 9-27 | 19 | 7 | https://www.edzy.ai/cbse-class-8-science-curiosity-the-invisible-living-world-beyond-our-naked-eye | https://www.edzy.ai/okf/chapter/cbse-class-8-science-curiosity-the-invisible-living-world-beyond-our-naked-eye.md |
| 3 | 69c0d134cfcc14a8a5a0c183 | 69c0d29ecfcc14a8a5a5ed36 | Health: The Ultimate Treasure | 3 | 28-45 | 18 | 7 | https://www.edzy.ai/cbse-class-8-science-curiosity-health-the-ultimate-treasure | https://www.edzy.ai/okf/chapter/cbse-class-8-science-curiosity-health-the-ultimate-treasure.md |
| 4 | 69c0d134cfcc14a8a5a0c183 | 69c0d2b3cfcc14a8a5a638b3 | Electricity: Magnetic and Heating Effects | 4 | 46-61 | 16 | 3 | https://www.edzy.ai/cbse-class-8-science-curiosity-electricity-magnetic-and-heating-effects | https://www.edzy.ai/okf/chapter/cbse-class-8-science-curiosity-electricity-magnetic-and-heating-effects.md |
| 5 | 69c0d134cfcc14a8a5a0c183 | 69c0d2c8cfcc14a8a5a684aa | Exploring Forces | 5 | 62-79 | 18 | 8 | https://www.edzy.ai/cbse-class-8-science-curiosity-exploring-forces | https://www.edzy.ai/okf/chapter/cbse-class-8-science-curiosity-exploring-forces.md |
| 6 | 69c0d134cfcc14a8a5a0c183 | 69c0d2dccfcc14a8a5a6cd76 | Pressure, Winds, Storms, and Cyclones | 6 | 80-97 | 18 | 6 | https://www.edzy.ai/cbse-class-8-science-curiosity-pressure-winds-storms-and-cyclones | https://www.edzy.ai/okf/chapter/cbse-class-8-science-curiosity-pressure-winds-storms-and-cyclones.md |
| 7 | 69c0d134cfcc14a8a5a0c183 | 69c0d2f2cfcc14a8a5a71a6c | Particulate Nature of Matter | 7 | 98-115 | 18 | 7 | https://www.edzy.ai/cbse-class-8-science-curiosity-particulate-nature-of-matter | https://www.edzy.ai/okf/chapter/cbse-class-8-science-curiosity-particulate-nature-of-matter.md |
| 8 | 69c0d134cfcc14a8a5a0c183 | 69c0d30dcfcc14a8a5a77ba7 | Nature of Matter: Elements, Compounds, and Mixtures | 8 | 116-134 | 19 | 5 | https://www.edzy.ai/cbse-class-8-science-curiosity-nature-of-matter-elements-compounds-and-mixtures | https://www.edzy.ai/okf/chapter/cbse-class-8-science-curiosity-nature-of-matter-elements-compounds-and-mixtures.md |
| 9 | 69c0d134cfcc14a8a5a0c183 | 69c0d326cfcc14a8a5a7d4c4 | The Amazing World of Solutes, Solvents, and Solutions | 9 | 135-151 | 17 | 8 | https://www.edzy.ai/cbse-class-8-science-curiosity-the-amazing-world-of-solutes-solvents-and-solutions | https://www.edzy.ai/okf/chapter/cbse-class-8-science-curiosity-the-amazing-world-of-solutes-solvents-and-solutions.md |
| 10 | 69c0d134cfcc14a8a5a0c183 | 69c0d339cfcc14a8a5a81a29 | Light: Mirrors and Lenses | 10 | 152-169 | 18 | 4 | https://www.edzy.ai/cbse-class-8-science-curiosity-light-mirrors-and-lenses | https://www.edzy.ai/okf/chapter/cbse-class-8-science-curiosity-light-mirrors-and-lenses.md |
| 11 | 69c0d134cfcc14a8a5a0c183 | 69c0d34ecfcc14a8a5a866bf | Keeping Time with the Skies | 11 | 170-189 | 20 | 4 | https://www.edzy.ai/cbse-class-8-science-curiosity-keeping-time-with-the-skies | https://www.edzy.ai/okf/chapter/cbse-class-8-science-curiosity-keeping-time-with-the-skies.md |
| 12 | 69c0d134cfcc14a8a5a0c183 | 69c0d369cfcc14a8a5a8c7fd | How Nature Works in Harmony | 12 | 190-209 | 20 | 8 | https://www.edzy.ai/cbse-class-8-science-curiosity-how-nature-works-in-harmony | https://www.edzy.ai/okf/chapter/cbse-class-8-science-curiosity-how-nature-works-in-harmony.md |
| 13 | 69c0d134cfcc14a8a5a0c183 | 69c0d38dcfcc14a8a5a94a07 | Our Home: Earth, a Unique Life Sustaining Planet | 13 | 210-227 | 18 | 7 | https://www.edzy.ai/cbse-class-8-science-curiosity-our-home-earth-a-unique-life-sustaining-planet | https://www.edzy.ai/okf/chapter/cbse-class-8-science-curiosity-our-home-earth-a-unique-life-sustaining-planet.md |

## Topic Inventory

| No. | Topic ID | Topic |
| :--- | :--- | :--- |
| 1 | 69cb0f23769cc4edcd57db85 | Introduction to Scientific Investigation |
| 2 | 69cb0f23769cc4edcd57db89 | Microscopic World: Unseen Helpers |
| 3 | 69cb0f23769cc4edcd57db8d | Forces in Nature |
| 4 | 69cb0f23769cc4edcd57db91 | The Particle Theory of Matter |
| 5 | 69cb0f23769cc4edcd57db95 | Light and Its Properties |
| 6 | 69cb0f23769cc4edcd57db99 | Ecosystems and Interdependence |
| 7 | 69cb0f23769cc4edcd57db9d | Climate Change and Human Impact |
| 8 | 69cb0f23769cc4edcd57dba1 | Scientific Methods in Everyday Life |
| 9 | 69cb0f68769cc4edcd57eb5b | What Is a Cell? |
| 10 | 69cb0f68769cc4edcd57eb5f | Variation in Shape and Structure of Cells |
| 11 | 69cb0f68769cc4edcd57eb63 | What Are the Levels of Organisation in the Body of a Living Organism? |
| 12 | 69cb0f68769cc4edcd57eb67 | What Are Microorganisms? |
| 13 | 69cb0f68769cc4edcd57eb6b | How Are We Connected to Microbes? |
| 14 | 69cb0f68769cc4edcd57eb6f | Microorganisms and Food |
| 15 | 69cb0f68769cc4edcd57eb73 | Why Is Cell Considered to Be a Basic Unit of Life? |
| 16 | 69cb0f64769cc4edcd57eacd | Health: Is It More Than Not Falling Sick? |
| 17 | 69cb0f64769cc4edcd57ead1 | How Can We Stay Healthy? |
| 18 | 69cb0f64769cc4edcd57ead5 | Diseases: What Are the Causes and Types? |
| 19 | 69cb0f64769cc4edcd57ead9 | How are communicable diseases caused and spread? |
| 20 | 69cb0f64769cc4edcd57eadd | How are non-communicable diseases caused? |
| 21 | 69cb0f64769cc4edcd57eae1 | How to Prevent and Control Diseases? |
| 22 | 69cb0f64769cc4edcd57eae5 | Treatment of diseases |
| 23 | 69cb0fa3769cc4edcd57f974 | Does an Electric Current Have a Magnetic Effect? |
| 24 | 69cb0fa3769cc4edcd57f97a | Does a Current Carrying Wire Get Hot? |
| 25 | 69cb0fa3769cc4edcd57f97e | How Does a Battery Generate Electricity? |
| 26 | 69cb0fa6769cc4edcd57f9cc | What Is a Force? |
| 27 | 69cb0fa6769cc4edcd57f9d0 | What Can a Force Do to the Bodies on Which It Is Applied? |
| 28 | 69cb0fa6769cc4edcd57f9d4 | Are Forces an Interaction Between Two or More Objects? |
| 29 | 69cb0fa6769cc4edcd57f9d8 | What Are the Different Types of Forces? |
| 30 | 69cb0fa6769cc4edcd57f9dc | Contact Forces |
| 31 | 69cb0fa6769cc4edcd57f9e0 | Non-contact Forces |
| 32 | 69cb0fa6769cc4edcd57f9e4 | Weight and Its Measurement |
| 33 | 69cb0fa6769cc4edcd57f9e8 | Floating and Sinking |
| 34 | 69cb0fd9769cc4edcd580705 | Pressure – Definition and Examples |
| 35 | 69cb0fd9769cc4edcd580709 | Pressure Exerted by Air |
| 36 | 69cb0fd9769cc4edcd580712 | Formation of Wind |
| 37 | 69cb0fd9769cc4edcd580719 | High-Speed Winds and Air Pressure |
| 38 | 69cb0fd9769cc4edcd580720 | Storms, Thunderstorms, and Lightning |
| 39 | 69cb0fd9769cc4edcd580727 | Cyclones – Formation and Effects |
| 40 | 69cb0fda769cc4edcd58074a | What Is Matter Composed of? |
| 41 | 69cb0fda769cc4edcd580753 | What Decides Different States of Matter? |
| 42 | 69cb0fda769cc4edcd58075a | Solid State |
| 43 | 69cb0fda769cc4edcd58075e | Liquid State |
| 44 | 69cb0fda769cc4edcd580762 | Gaseous State |
| 45 | 69cb0fda769cc4edcd580766 | How Does the Interparticle Spacing Differ in the Three States of Matter? |
| 46 | 69cb0fda769cc4edcd58076a | How Particles Move in Different States of Matter? |
| 47 | 69cb1010769cc4edcd5814ed | What Are Mixtures? |
| 48 | 69cb1010769cc4edcd5814f3 | What Are Pure Substances? |
| 49 | 69cb1010769cc4edcd5814f7 | What Are the Types of Pure Substances? |
| 50 | 69cb1010769cc4edcd5814fd | How Do We Use Elements, Compounds, and Mixtures? |
| 51 | 69cb1010769cc4edcd581501 | What Are Minerals? |
| 52 | 69cb101c769cc4edcd581659 | What Are Solute, Solvent, and Solution? |
| 53 | 69cb101c769cc4edcd58165d | How Much Solute Can a Fixed Amount of Solvent Dissolve? |
| 54 | 69cb101c769cc4edcd581661 | How Does Temperature Affect the Solubility of a Solute? |
| 55 | 69cb101c769cc4edcd581665 | Solubility of Gases |
| 56 | 69cb101c769cc4edcd581669 | Why Do Objects Float or Sink in Water? |
| 57 | 69cb101c769cc4edcd58166d | What Is Density? |
| 58 | 69cb101c769cc4edcd581671 | Determination of Density |
| 59 | 69cb101c769cc4edcd581675 | Effect of Pressure on Density |
| 60 | 69cb1063769cc4edcd582f48 | What Are Spherical Mirrors? |
| 61 | 69cb1063769cc4edcd582f4e | Characteristics of Images Formed by Spherical Mirrors |
| 62 | 69cb1063769cc4edcd582f54 | Laws of Reflection |
| 63 | 69cb1063769cc4edcd582f5a | What Is a Lens? |
| 64 | 69cb1059769cc4edcd5825dd | How Does the Moon’s Appearance Change and Why? |
| 65 | 69cb1059769cc4edcd5825e4 | How Did Calendars Come into Existence? |
| 66 | 69cb1059769cc4edcd5825ec | Are Festivals Related to Astronomical Phenomena? |
| 67 | 69cb1059769cc4edcd5825f0 | Why Do We Launch Artificial Satellites in Space? |
| 68 | 69cb1090769cc4edcd583464 | How Do We Experience and Interpret Our Surroundings? |
| 69 | 69cb1090769cc4edcd583468 | Who All Live Together in Nature? |
| 70 | 69cb1090769cc4edcd58346c | Does Every Organism in a Community Matter? |
| 71 | 69cb1090769cc4edcd583470 | What Are the Different Types of Interactions Among Organisms and their Surroundings? |
| 72 | 69cb1090769cc4edcd583474 | Who Eats Whom? |
| 73 | 69cb1090769cc4edcd583478 | What Happens to Waste in Nature? |
| 74 | 69cb1090769cc4edcd58347c | How Does One Change Lead to Another? |
| 75 | 69cb1090769cc4edcd583480 | How Do Interactions Maintain Balance in Ecosystems? |
| 76 | 69cb1092769cc4edcd583538 | Why Is Earth a Unique Planet? |
| 77 | 69cb1092769cc4edcd58353c | What Do the Planets of Our Solar System Look Like? |
| 78 | 69cb1092769cc4edcd583540 | Position of the Earth |
| 79 | 69cb1092769cc4edcd583544 | Size of the Earth |
| 80 | 69cb1092769cc4edcd583548 | Magnetic Field of the Earth |
| 81 | 69cb1092769cc4edcd58354c | What Allows Life to Be Sustained on Earth? |
| 82 | 69cb1092769cc4edcd583550 | What Keeps Life from Disappearing? |
| 83 | 69cb1092769cc4edcd583554 | What Are the Threats to Life on Earth? |

## Related OKF Entities

| Entity Type | Title | Markdown URL |
| :--- | :--- | :--- |
| Class | Class 8 | https://www.edzy.ai/okf/class/cbse-class-8.md |
| Book | Curiosity | https://www.edzy.ai/okf/book/cbse-class-8-science-curiosity.md |
| Chapter | Exploring the Investigative World of Science | https://www.edzy.ai/okf/chapter/cbse-class-8-science-curiosity-exploring-the-investigative-world-of-science.md |
| Chapter | The Invisible Living World: Beyond Our Naked Eye | https://www.edzy.ai/okf/chapter/cbse-class-8-science-curiosity-the-invisible-living-world-beyond-our-naked-eye.md |
| Chapter | Health: The Ultimate Treasure | https://www.edzy.ai/okf/chapter/cbse-class-8-science-curiosity-health-the-ultimate-treasure.md |
| Chapter | Electricity: Magnetic and Heating Effects | https://www.edzy.ai/okf/chapter/cbse-class-8-science-curiosity-electricity-magnetic-and-heating-effects.md |
| Chapter | Exploring Forces | https://www.edzy.ai/okf/chapter/cbse-class-8-science-curiosity-exploring-forces.md |
| Chapter | Pressure, Winds, Storms, and Cyclones | https://www.edzy.ai/okf/chapter/cbse-class-8-science-curiosity-pressure-winds-storms-and-cyclones.md |
| Chapter | Particulate Nature of Matter | https://www.edzy.ai/okf/chapter/cbse-class-8-science-curiosity-particulate-nature-of-matter.md |
| Chapter | Nature of Matter: Elements, Compounds, and Mixtures | https://www.edzy.ai/okf/chapter/cbse-class-8-science-curiosity-nature-of-matter-elements-compounds-and-mixtures.md |
| Chapter | The Amazing World of Solutes, Solvents, and Solutions | https://www.edzy.ai/okf/chapter/cbse-class-8-science-curiosity-the-amazing-world-of-solutes-solvents-and-solutions.md |
| Chapter | Light: Mirrors and Lenses | https://www.edzy.ai/okf/chapter/cbse-class-8-science-curiosity-light-mirrors-and-lenses.md |
| Chapter | Keeping Time with the Skies | https://www.edzy.ai/okf/chapter/cbse-class-8-science-curiosity-keeping-time-with-the-skies.md |
| Chapter | How Nature Works in Harmony | https://www.edzy.ai/okf/chapter/cbse-class-8-science-curiosity-how-nature-works-in-harmony.md |
| Chapter | Our Home: Earth, a Unique Life Sustaining Planet | https://www.edzy.ai/okf/chapter/cbse-class-8-science-curiosity-our-home-earth-a-unique-life-sustaining-planet.md |

## Source Attribution

| Field | Value |
| :--- | :--- |
| Source | Edzy |
| Reference Type | examSubject |
| Reference ID | 66ab5c44543b6f461d7a9cda |
| Subject ID | 66ab5c44543b6f461d7a9cda |
| Canonical URL | https://www.edzy.ai/cbse-class-8-science |
| Markdown URL | https://www.edzy.ai/okf/subject/cbse-class-8-science.md |
| Last Updated | 2026-06-25 |