Class 8 Science Book
বাংলায় পড়তে চাও? দেখো: অষ্টম শ্রেণির বিজ্ঞান বই
The class 8 science book is the last in which physics, chemistry and biology sit together. In the science group of class 9 they become three separate subjects, and this book’s chapters are the first acquaintance with that division.
What happens after this
| Part of this book | Becomes in class 9 |
|---|---|
| Force, motion, energy, light, sound | Physics |
| Structure of matter, elements, reactions | Chemistry |
| Cells, the body, plants, environment | Biology |
Learn it with interactive animations
An idea that is hard to picture from a still textbook diagram becomes obvious when you change the values yourself and watch it happen. Each simulation below comes with a full plain-language explanation, the formulas, solved examples, common mistakes and exam tips, so understanding and revision happen together.
- Refraction of light (Physics · Grade 8–12)
- Ohm's law (Physics · Grade 9–12)
- Projectile motion (Physics · Grade 11)
- Structure of the atom (Chemistry · Grade 8–11)
- Acids, Bases and the pH Scale (Chemistry · Grade 8–11)
- Electron configuration (Chemistry · Grade 9–11)
- Mitosis cell division (Biology · Grade 9–11)
- Diffusion and Osmosis (Biology · Grade 8–11)
- Photosynthesis (Biology · Grade 7–11)
Download the book
The class 8 science textbook, in both versions.
The Bangla version and the English Version are different books — download the one matching your medium.
Notice where your interest is
As you read, notice which chapters make the time pass quickly — the ones where you enjoy calculation and causes, or the ones about the structure of bodies and living things. It is not a test, but when you choose a group and an optional subject in class 9, that observation is more reliable than any advice you will be given.
How to use this book
- At the end of each chapter, mark which branch it belongs to.
- Write down which chapters you enjoyed.
- Do the practical activities yourself.
- Reduce each process to an arrow diagram.
Frequently asked questions
In the science group, yes — physics, chemistry and biology become separate subjects. The humanities and business groups keep one combined book.
Notice which chapters make the time pass quickly. That observation is more reliable than any advice.
They do. Practicals carry marks in class 9, and the habit forms here.
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