CBSE Class 8 Science

An interactive, NCERT-aligned companion

A complete, interactive CBSE Class 8 Science book aligned to the NCERT Curiosity syllabus — with activities, worked examples, interactive tools, self-check quizzes, and CBSE-style exam practice.

NCERT · Curiosity aligned

CBSE Class 8 Science

A complete, interactive companion to the Class 8 syllabus — built to help you understand why the science works, experiment and explore with hands-on activities, and walk into exams with confidence.

Start reading Browse the syllabus

13

Chapters, in four units

130

Self-check quiz questions

130+

CBSE-style exam questions

40+

Interactive tools & games

What’s inside every chapter

Concepts, the why

Each idea is built up from a hook or story, in a friendly exploratory voice — not just stated, but explained.

Activities & experiments

Step-by-step "Do It Yourself" activities and worked examples, plus practice questions with collapsible answers you can check yourself.

Interactive tools

Simulators, explorers and quick-fire reflex games that turn each concept into something you can play with.

Self-check quizzes

An end-of-chapter quiz with instant feedback, explanations and a score — retry as often as you like.

Exam Corner

Graded CBSE-style questions — objective, short, long, HOTS and assertion–reason — with full solutions.

Quick revision

Reference tables, memory tricks, "spot the mistake" boxes and a glossary for fast last-minute revision.

Browse the chapters

Part I — Science & the Living World

1Exploring the Investigative World of ScienceThe scientific method in action 2The Invisible Living WorldMicroorganisms & the microscope 3Health: The Ultimate TreasureNutrition, disease & immunity

Part II — Forces, Energy & Weather

4Electricity: Magnetic & Heating EffectsCurrent, electromagnets & heat 5Exploring ForcesContact & non-contact forces 6Pressure, Winds, Storms & CyclonesAir pressure & severe weather

Part III — The Material World

7Particulate Nature of MatterParticles & states of matter 8Elements, Compounds & MixturesAtoms, symbols & pure substances 9Solutes, Solvents & SolutionsDissolving, solubility & concentration

Part IV — Light, Sky & Our Planet

10Light: Mirrors & LensesReflection, refraction & the eye 11Keeping Time with the SkiesCalendars & naked-eye astronomy 12How Nature Works in HarmonyEcosystems & food webs 13Our Home: EarthA unique life-sustaining planet

How to use this book

Read a chapter top to bottom the first time: each opens with a short “What This Chapter Covers” note and clear learning outcomes. Try every activity and practice set before opening its solution, play with the interactive tools to build intuition, and finish with the end-of-chapter quiz. When an exam is near, jump straight to the Going Deeper section in each chapter — the quick-reference tables, revision card, and Exam Corner are designed for fast, focused revision. The Syllabus page is your map to the whole book.

About the author

Vijayakumar P

Educator & Data Analytics Professional

8+ years in Analytics, AI and HR. UGC-JRF-NET in Management. Passionate about making science clear, visual, and exam-ready for every learner.

Read full profile

References

TipPrimary textbook

• Curiosity — Textbook of Science for Grade 8. National Council of Educational Research and Training (NCERT), First Edition (Reprint 2026-27).

Further reading

• Science — Textbook for Class VIII. NCERT (earlier edition).
• Foundation Science: Physics / Chemistry / Biology for Class 8. H. C. Verma / Lakhmir Singh & Manjit Kaur.
• Concise Science for Class 8. Selina Publishers.