CBSE Class 9 Science Deleted Syllabus 2025: The Central Board of Secondary Education (CBSE) is a national level education board. The Board had revised its syllabus for various subjects after the pandemic. This was done to decrease the curriculum load on students. In this article we have provided the deleted syllabus for Class 9 Science that has been removed by the Board.
Students should study according to the latest syllabus only. They should have full knowledge of the topics/chapters that are no longer a part of the syllabus so that they don't waste precious time preparing for them. This can happen with students who still follow the old NCERT textbooks.
Also Check: CBSE Class 9 Deleted Syllabus for 2025 Examination
CBSE Class 9 Science Deleted Syllabus
Students check the details of chapters and topics that have been removed from the CBSE Class 9 Science Syllabus and will not be considered for the academic session 2024-25.
| Chapter | Topics |
| Chapter 2: Is Matter Around Us Pure? | Separating the components of a mixture |
| Chapter 3: Atoms and Molecules | Mole concept: Relationship of mole to mass of the particles and numbers. |
| Chapter 7: Diversity in Living Organisms | Full Chapter Deleted |
| Chapter 9: Force and Laws of Motion | Elementary idea of conservation of Momentum |
| Chapter 10: Gravitation | Elementary idea of Relative Density. |
| Chapter 11: Work and Energy | Commercial unit of Energy |
| Chapter 12: Sound | SONAR, Structure of the Human Ear (Auditory aspect only). |
| Chapter 13: Why Do We Fall Ill? | Full Chapter Deleted |
| Chapter 14: Natural Resources | Full Chapter Deleted |
NCERT Deleted Syllabus Class 9 Science
Check the list of deleted topics/chapters from the NCERT Class 9 Science textbook below:
| Chapter | Page no. | Dropped Topics/Chapter |
| Chapter 1: Matter in Our Surroundings | 10 | Box item titled ‘Plasma and Bose–Einstein Condensate’ |
| Chapter 2: Is Matter Around Us Pure? | 19-24 | 2.3 Separating the components of a mixture 2.3.1 How can we obtain coloured component (dye) from blue/ black ink? 2.3.2 How can we separate cream from milk? 2.3.3 How can we separate a mixture of two immiscible liquids? 2.3.4 How can we separate a mixture of salt and camphor? 2.3.5 Is the dye in black ink a single colour? 2.3.6 How can we separate a mixture of two miscible liquids? 2.3.7 How can we obtain different gases from air ? 2.3.8 How can we obtain pure copper sulphate from an impure sample? |
| Chapter 3: Atoms and Molecules | 40-42 | Mole concept |
| Chapter 7: Diversity in Living Organisms | 80-97 | Full chapter |
| Chapter 9: Force and Laws of Motion | 123-127 | 9.6 Conservation of Momentum Activity 9.5, 9.6 Example 9.6, 9.7, 9.8 Box item ‘Conservation Laws’ |
| Chapter 10: Gravitation | 133, 142 | Following Box Items: a. Brief Description of Isaac Newton b. How did Newton guess the inverse–square rule? 10.7 Relative Density Example 10.7 |
| Chapter 11: Work and Energy | 156 | 11.3.1 Commercial Unit of Energy |
| Chapter 12: Sound | 161, 162, 167,171 and 172 | Box item titled ‘Can sound make a light spot dance?’ Box item titled ‘Sonic Boom’ 12.2.1 Sound Needs a Medium– Travel 12.5.1 Sonar 12.6 Structure of Human Ear |
| Chapter 13: Why Do We Fall Ill? | 176-188 | Full chapter |
| Chapter 14: Natural Resources | 189-202 | Full chapter |
CBSE Class 9 students can also check and download the revised syllabus of Science from the direct link given below.
Tips To Prepare for CBSE Class 9 Science Examination
1.Check the syllabus thoroughly so that you can avoid preparing for the dropped topics. Next you should create a study plan and allot sufficient time for all the chapters. Don’t be biased towards chapters that you like.
2.As you study, prepare chapter wise notes which will also help you at the time of revision. The notes can contain definitions of important terms, essential pointers, formulae etc.
3.Before jumping to other books, finish the NCERT Class 9 Science textbook. NCERT Books help students to gain an understanding of concepts and strengthen their basics. These books are recommended due to their explanation of even difficult topics in simple and clear language.
4.Solve the questions given at the end of the chapters in the textbook. Questions given in the NCERT books are always considered very important as not only do they help you to analyse your understanding of the concepts involved in a chapter but also in preparing for the examinations.
5.Practice writing the answers as much as you can to improve your efficiency in writing. Write in a clear and presentable manner which will help you in the examination as well.
6.Solve the previous year question papers. This will help you to learn how to manage time in the main examination and familiarize you with the common questions asked every year.
7.Revise thoroughly. Revise all the chapter notes, formulae and diagrams so as to avoid any confusion.
CBSE Video Courses for All Subjects for Class 9 Students
Class 9 students can study effectively with the help of video courses prepared by the subject matter experts. These video courses will explain the concepts in a simple and interactive manner which will help learners to understand clearly. The videos are available for all major subjects.
Click on the below link:
Also, check
CBSE Class 9 Syllabus 2024-2025: Download Subject-Wise Syllabus PDFs Here