The NCERT Class 9 Science Book PDF 2026-27 is completely revised as per the NEP 2020 and NCF-SE 2023 framework, which is one of the biggest curriculum updates for Class 9 students in recent years. Instead of rote memorization, the new textbook, Exploration, focuses on conceptual understanding, hands-on learning, and real-world applications.
NCERT Class 9 Science Book PDF 2026-27 Download
The NCERT textbooks for class 9 science have been designed in accordance with the National Education Policy (NEP) 2020, the National Curriculum Framework for School Education (NCF-SE 2023), and the new CBSE syllabus. The NCERT Class 9 Science textbook will help you build a solid foundation in topics ranging from physics and chemistry to biology. They provide a good and clear understanding of concepts, which will be useful for both CBSE exam preparation and Olympiads. You have access to a free PDF that can help you prepare at any time and, ultimately, deepen your understanding.
| Chapter no. | Chapter Name | Download Link |
| Chapter 1 | Exploration: Entering the World of Secondary Science | Download PDF |
| Chapter 2 | Cell: The Building Block of Life | Download PDF |
| Chapter 3 | Tissues in Action | Download PDF |
| Chapter 4 | Describing Motion Around Us | Download PDF |
| Chapter 5 | Exploring Mixtures and Their Separation | Download PDF |
| Chapter 6 | How Forces Affect Motion | Download PDF |
| Chapter 7 | Work, Energy and Simple Machines | Download PDF |
| Chapter 8 | Journey Inside the Atom | Download PDF |
| Chapter 9 | Atomic Foundations of Matter | Download PDF |
| Chapter 10 | Sound Waves: Characteristics and Applications | Download PDF |
| Chapter 11 | Reproduction: How Life Continues | Download PDF |
| Chapter 12 | Patterns in Life: Diversity and Classification | Download PDF |
| Chapter 13 | Earth as a System: Energy, Matter and Life | Download PDF |
Other Subject NCERT Class 9 Books
Here is the table containing Other subject links; you can download the NCERT book PDF from the links:
| Class 9 NCERT Subjects | Links |
| NCERT Class 9 Math | Download |
| NCERT Class 9 Social Science | Download |
| NCERT Class 9 Hindi | Download |
| NCERT Class 9 English | Download |
How to Download NCERT Class 9 New Science Book PDF 2026-27
Download the official Class 9 Science book “Exploration” for the 2026-27 school year for free. Go to the official NCERT Textbooks website, select Class IX, choose “Science,” and download individual chapters or the entire textbook directly to your device. Or if you want to download it by the direct link, then it’s given below.
NCERT Class 9 Science Syllabus: Old vs New
The table provides a chapter-by-chapter overview of the changes made in the most recent 2026-27 Class 9 NCERT Science textbook as compared to the previous year’s Science textbook. You can see old vs new see the clear difference given below.
| Aspect | NEW (2026-27) | Old (2025-26) |
| Introductory | • Introductory theme | None |
| Biology | • Cell • Tissues • Reproduction • Diversity | Unit II (Organization in the living world) • Cell: Basic unit of life • Tissues, organs, organ system, organism |
| Chemistry | • Exploring mixtures and their separation • Structure of an atom• Atoms and molecules | Unit I (Matter – Its nature and behaviour) • Matter in our surroundings • Is matter around us pure • Atoms and molecules • Structure of atom |
| Physics | • Motion • Force and laws of motion • Work, energy and simple machines • Sound | Unit III (Motion, force and work) • Motion • Force and Newton’s laws • Gravitation • Flotation • Work, energy and power • Sound |
| Earth Science | • Earth as a System: Energy, matter and life | • Unit IV (Food Production) (Formative topic only) |
| Total | • 13 integrated themes | • 12 (Divided into 4 specific units) |
NCERT Science Class 9 Preparation Tips
Master Class 9 Science by using your NCERT textbook as your primary resource. Read each chapter carefully to understand the “why” and “how” behind each topic. Actively practice in-text and exercise questions, and always review key diagrams and formulas. And the previous year’s questions and mock tests are very important. Check the points describe below.
- Subject-Specific Strategies: Master Class 9 Science by dividing it into three core subjects: Physics, Chemistry, and Biology. Read your NCERT textbook carefully to understand the main ideas.
- Practice and Revision: Read the NCERT textbook, make concise summary notes for formulas and diagrams, and practice questions on a regular basis to improve exam speed.
NCERT Class 9 Science Book FAQs
Ans. To prepare for Class 9 Science, start by mastering NCERT textbook concepts. Divide your study time equally between Physics (numericals and formulas), Chemistry (equations and laws), and Biology (labelled diagrams and definitions). Solve chapter-wise exercises and past question papers on a regular basis.
Ans. According to student consensus and exam analysis, the most challenging chapter in Class 9 Science is “Diversity in Living Organisms” (Biology). It necessitates extensive memorization of complex scientific names, hierarchical classifications, and individual characteristics of various species.
Ans. Yes, NCERT is sufficient for passing school exams and establishing a solid foundation. However, to score 90%+ or prepare for competitive exams like JEE and NEET and others. NCERT is like the base of every exam. You will need to supplement it with more question practice and reference books.
Ans. The NCERT Class 9 Science book (often titled “Exploration” under the updated curriculum) is available for free download in PDF format. The easiest way to obtain it is through the official NCERT website.