CBSE Class 9 Science Syllabus 2027 (Subject Code 086) has been released by the Central Board of Secondary Education for the 2026-27 academic session. It is a 100-mark course – 80 marks theory across four units (World of Living, Matter, Motion Force Work and Sound, Earth as a System) in a 3-hour exam, plus 20 marks Internal Assessment. Download the official CBSE Class 9 Science Syllabus PDF and see the full unit-wise breakdown below.
CBSE Class 9 Science Syllabus 2027 PDF
The complete curriculum is as follows.
CBSE Class 9 Syllabus 2027 Science View Download




















CBSE Class 9 Science Syllabus 2027 – Marks Weightage (Unit-wise)
The CBSE Class 9 Science exam carries 100 total marks – 80 for the theory paper (across 4 units) and 20 for Internal Assessment.
| Unit | Topic | Chapters | Marks |
|---|---|---|---|
| I | World of Living | 2, 3, 11, 12 | 27 |
| II | Matter – Its Nature and Behaviour | 5, 8, 9 | 25 |
| III | Motion, Force, Work and Sound | 4, 6, 7, 10 | 23 |
| IV | Earth as a System | 13 | 5 |
| Total (Theory) | 80 | ||
| Internal Assessment | Periodic Assessment (10) + Practical Work (5) + Portfolio (5) | 20 | |
| Grand Total | 100 |
CBSE Class 9 Science Syllabus 2027 – Unit-wise Topics Covered
The CBSE Class 9 Science syllabus is organised into 10 chapters spread across 4 units. The key topics under each chapter are as follows.
CBSE Class 9 Science Syllabus 2027 – Prescribed Textbook & Practicals
Practicals are conducted alongside theory classes and carry 5 marks under Internal Assessment (Subject Enrichment).
Prescribed Textbook: Science – Textbook for Class IX, NCERT Publication. Also refer to the Laboratory Manual-Science Class IX (NCERT), Assessment of Practical Skills in Science-Class IX (CBSE Publication), and Exemplar Problems Class IX (NCERT Publication).
CBSE Class 9 Science Syllabus 2027 – Exam Pattern (Question-wise Breakdown)
The CBSE Class 9 Science question paper design is based on three competency levels. The detailed scheme and weightage is as follows.
| Competency | Sample Verbs | Weightage |
|---|---|---|
| Demonstrate Knowledge and Understanding | State, name, list, identify, define, suggest, describe, outline, summarize | 50% |
| Application of Knowledge/Concepts | Calculate, illustrate, show, adapt, explain, distinguish | 30% |
| Formulate, Analyze, Evaluate and Create | Interpret, analyze, compare, contrast, examine, evaluate, discuss, construct | 20% |
Typology of Questions: VSA including objective type questions, Assertion-Reasoning type questions; SA; LA; Source-based/Case-based/Passage-based/Integrated assessment questions. An internal choice of approximately 33% is provided in the theory paper (80 marks, 3 hours).
CBSE Class 9 Science Syllabus 2027 – Continue Your Preparation
Once you have reviewed the syllabus, practice with the CBSE Class 9 Sample Papers and refer to the NCERT Books for Class 9 and NCERT Solutions for Class 9 to prepare for your exams.
Frequently Asked Questions
The CBSE Class 9 Science Syllabus 2027 (Subject Code 086) is the official curriculum released by CBSE for the 2026-27 academic session. It covers four units – World of Living, Matter, Motion Force Work and Sound, and Earth as a System – for a total of 100 marks (80 theory plus 20 Internal Assessment).
The subject code for Science in CBSE Class 9 is 086.
The CBSE Class 9 Science theory exam is of 80 marks (3 hours), plus 20 marks for Internal Assessment (Periodic Assessment 10, Subject Enrichment/Practical Work 5, Portfolio 5), making a total of 100 marks.
The prescribed textbook is Science – Textbook for Class IX, published by NCERT. Students should also refer to the Laboratory Manual-Science Class IX (NCERT) and Exemplar Problems Class IX (NCERT).
Unit I – World of Living carries the highest weightage with 27 marks, covering Cell, Tissues, Reproduction and Diversity (Chapters 2, 3, 11, 12), followed by Unit II – Matter with 25 marks.
CBSE Class 9 Syllabus 2026-27 (All Subjects)
You study more subjects besides Science in 9th class. The subject-wise syllabus for CBSE Class 9 students is as follows.
CBSE Syllabus 2026-27 (Class-wise)
The class-wise syllabus for CBSE board students is as follows.
CBSE Class 9 Science Syllabus 2027 – An Overview
The important things to know about this curriculum are as follows.
| Aspects | Details |
|---|---|
| Education Board | CBSE |
| Class | Class 9 |
| Subject | Science |
| Study Material Here | CBSE Syllabus for Class 9 Science |
| All Curriculum for This Class | CBSE Syllabus for Class 9 |
| All Curriculum for This Board | CBSE Syllabus |
| Full Name of CBSE | Central Board of Secondary Education |
| NCERT Books | NCERT Books for Class 9 |
| NCERT Solutions | NCERT Solutions for Class 9 |
If you have any queries on CBSE Class 9 Science Syllabus 2027, then please ask in comments below.


