NCERT Class 8 Science Book PDF Free Download: Curiosity (English) & Jigyasa (Hindi) Latest Edition
NCERT Class 8 Science Book PDF Free Download: Curiosity (English) & Jigyasa (Hindi) Latest Edition
All 13 chapters, free. Pick your medium, open the book page, and read or save any chapter. No signup needed.
Get the PDFsIf you are in Class 8, your science textbook is Curiosity. Hindi medium students study the same book as Jigyasa. Both have 13 chapters, they follow the same order, and both are free to read here.
This page gives you the download cards for both versions, the full chapter list, what each chapter teaches, and a few practical tips to get more out of a book that asks you to think, not just memorise.
Quick answer: NCERT Class 8 Science is Curiosity (English) and Jigyasa (Hindi). It has 13 chapters under the new NCF-SE 2023 syllabus. Tap your language card below to open every chapter PDF for free.
Book lists can change between sessions. Confirm the current book with your school or on the official NCERT website (ncert.nic.in).
Download NCERT Class 8 Science Book PDF
Both cards open the same book in a different language. Chapters line up one to one, so pick the medium your school teaches in.

Curiosity

Jigyasa
Which one should I pick? The one your school teaches in. The content is identical. If you plan to move to English medium in Class 9 or 11, keep both: read in Hindi to understand, then look at the English chapter to learn the terms.
Class 8 Science Book at a Glance
| Detail | Information |
|---|---|
| English book | Curiosity: Textbook of Science for Grade 8 |
| Hindi book | Jigyasa |
| Publisher | NCERT |
| Syllabus framework | NCF-SE 2023 (new textbook series) |
| Total chapters | 13 |
| Used by | CBSE schools and state boards that follow NCERT |
| Format here | Free, chapter-wise PDF |
| Takeaway: one book, two languages, 13 chapters, free. | |
Curiosity Class 8 Chapter List With What You Learn
Use this as a map before you start. The Hindi chapter name is shown under each English name.
| # | Chapter | What you learn |
|---|---|---|
| 1 | Exploring the Investigative World of Scienceविज्ञान के अन्वेषी संसार की खोज यात्रा | How scientists ask questions, test ideas and learn from results. |
| 2 | The Invisible Living World: Beyond Our Naked Eyeअदृश्य जीव-जगत | Microorganisms, where they live, and how they help and harm us. |
| 3 | Health: The Ultimate Treasureस्वास्थ्य | What keeps the body healthy, how diseases spread, and how we prevent them. |
| 4 | Electricity: Magnetic and Heating Effectsविद्युत | Why a current-carrying wire acts like a magnet and why wires heat up. |
| 5 | Exploring Forcesबलों को जानें | Pushes, pulls, friction, gravity, and what forces do to objects. |
| 6 | Pressure, Winds, Storms, and Cyclonesदाब, पवन... | Air pressure, how winds form, and staying safe in a cyclone. |
| 7 | Particulate Nature of Matterद्रव्य की कणीय प्रकृति | Matter is made of tiny particles, which explains solids, liquids and gases. |
| 8 | Nature of Matter: Elements, Compounds, and Mixturesद्रव्य की प्रकृति | Sorting substances into elements, compounds and mixtures. |
| 9 | The Amazing World of Solutes, Solvents, and Solutionsविलेयों, विलायकों और विलयनों... | What dissolves, what does not, and why. |
| 10 | Light: Mirrors and Lensesप्रकाश | How mirrors and lenses reflect and bend light to form images. |
| 11 | Keeping Time with the Skiesआकाशीय परिघटनाएँ | How the Sun and Moon helped people measure days, months and years. |
| 12 | How Nature Works in Harmonyप्रकृति | How living things and their surroundings depend on each other. |
| 13 | Our Home: Earth, a Unique Life Sustainerहमारा आवास | What makes Earth fit for life and why we need to protect it. |
| Takeaway: physics, chemistry and biology are mixed through the book, not split into blocks. | ||
How to Download a Chapter in Under a Minute
Scroll up to the book cards and tap Open English PDFs or Open Hindi PDFs.
The book page lists every chapter with its own PDF link.
Tap a chapter to read it in your browser, or use the download icon to save it on your phone.
Save the book page as a bookmark so you can come back to the next chapter quickly.
What Changed With the New Curiosity Book
Curiosity replaced the older Class 8 Science textbook. If an elder sibling's copy is lying around at home, keep it aside. The chapter order is different, some topics moved to other classes, and a few are completely new.
The bigger change is the style. Chapters usually open with a question or an everyday puzzle, and the answer is built through activities you can do at home or in class. There are fewer long paragraphs to learn by heart and more points where the book stops and asks what you think will happen next.
Heads up: school tests now often ask "why" and "what if" questions built on these activities. Reading only the chapter summary will not be enough.
How to Study Class 8 Science From This Book
- Do the activities. Many need only a glass of water, a torch or a magnet. Ten minutes of doing sticks longer than an hour of reading.
- Answer before you read on. When the book asks "What do you think?", write your answer first, then check it.
- Draw each diagram once. Mirrors and lenses, the electromagnet setup, particles in solids and gases. Drawing shows you what you have not understood.
- Solve the end-of-chapter questions yourself. The ones you get stuck on tell you exactly what to revise.
- Connect chapters. Heating in wires (Chapter 4) links to particles (Chapter 7). Health (Chapter 3) links to microorganisms (Chapter 2).
Why this matters later: particles of matter lead into Class 9 chemistry, forces lead into motion and gravitation, and microorganisms lead into Class 9 and 10 biology. Strong basics now make Olympiads and future JEE or NEET preparation far easier.
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Other NCERT Class 8 Books
Studying more than science this year? Every other Class 8 book is one tap away.
FAQs on NCERT Class 8 Science Book PDF
Where can I download the NCERT Class 8 Science book PDF?
Right here. Tap the English (Curiosity) or Hindi (Jigyasa) card above. It opens a page with every chapter as a separate free PDF, no login needed.
What is the name of the NCERT Class 8 Science book?
The English medium book is Curiosity: Textbook of Science for Grade 8. The Hindi medium version is called Jigyasa. Both cover the same chapters.
How many chapters are there in Class 8 Science Curiosity?
Curiosity Class 8 has 13 chapters. It starts with Exploring the Investigative World of Science and ends with Our Home: Earth, a Unique Life Sustainer.
Is Curiosity the new NCERT Science book for Class 8?
Yes. Curiosity belongs to NCERT's new textbook series written under NCF-SE 2023. It replaced the older Class 8 Science book, so do not study from an old copy.
Is NCERT Class 8 Science enough for Olympiads?
It covers the concepts Olympiads test, so finish it first. For the exam itself you also need application-level MCQs and previous papers.
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