CBSE Class 9 Science Syllabus 2025-26: The Central Board of Secondary Education (CBSE) has officially released the Class 9 Science syllabus for the academic session 2025–26.
Students and teachers can now access the updated syllabus on the official CBSE website at cbse.gov.in. The CBSE syllabus includes detailed information about unit-wise topics, marks distribution, exam pattern, and internal assessment criteria. As Science is a main subject, this latest syllabus will help students plan their studies effectively and prepare for exams with a clear focus.
Deleted Syllabus Of CBSE Class 9 Science 2025-26
CBSE has introduced certain changes for the upcoming academic session, and some chapters or topics have been removed from the CBSE Syllabus for Class 9 Science.
Understanding the Deleted Syllabus Of CBSE Class 9 Science 2025-26 helps students avoid studying unnecessary content and stay focused on the updated curriculum.
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Deleted Syllabus Of CBSE Class 9 Science 2025-26 |
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Chapter |
Topics |
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Chapter 2: Is Matter Around Us Pure? |
Separating the components of a mixture |
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Chapter 3: Atoms and Molecules |
Mole concept: Relationship of mole to mass of the particles and numbers. |
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Chapter 7: Diversity in Living Organisms |
Full Chapter Deleted |
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Chapter 9: Force and Laws of Motion |
Elementary idea of conservation of Momentum |
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Chapter 10: Gravitation |
Elementary idea of Relative Density. |
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Chapter 11: Work and Energy |
Commercial unit of Energy |
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Chapter 12: Sound |
SONAR, Structure of the Human Ear (Auditory aspect only). |
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Chapter 13: Why Do We Fall Ill? |
Full Chapter Deleted |
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Chapter 14: Natural Resources |
Full Chapter Deleted |
CBSE Class 9 Science Syllabus 2025-26
The Science Syllabus Class 9 CBSE 2025-26 has been structured to give learners a balanced exposure to Physics, Chemistry, and Biology. Below is the overview of the Syllabus of Science Class 9 CBSE 2025-26:
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Syllabus of Science Class 9 CBSE 2025-26 |
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Unit No. |
Unit Name |
Marks |
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I |
Matter - Its Nature and Behaviour |
25 |
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II |
Organization in the Living World |
22 |
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III |
Motion, Force and Work |
27 |
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IV |
Food; Food Production |
06 |
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Total (Theory) |
80 |
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Internal Assessment |
20 |
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Grand Total |
100 |
Detailed Science Syllabus Class 9 CBSE 2025-26
The detailed Syllabus of Science Class 9 CBSE 2025-26 includes unit-wise explanations, chapter objectives, learning outcomes, and assessment weightage. All these chapters of the CBSE Class 9 Science Syllabus can be found in the NCERT Solutions for Class 9 . You can insert the complete chapter-wise syllabus here for clarity and reference.
Unit I: Matter-Nature and Behaviour
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Matter in Our Surroundings: Definition of matter; Particulate Nature of Matter; States of Matter: solid, liquid and gas and their characteristics; change of state- melting (absorption of heat), freezing, evaporation (cooling by evaporation), condensation, sublimation.
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Is Matter Around Us Pure: Elements, compounds and mixtures. Heterogeneous and homogenous mixtures, colloids and suspensions. Physical and chemical changes (excluding separating the components of a mixture); Pure and Impure substances.
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Atoms and Molecules: Atoms and molecules, Law of Chemical Combination, Chemical formula of common compounds, Atomic and molecular masses.
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Structure of atom: Sub-atomic particles: Electrons, protons and neutrons, Models of atom; Valency, Atomic Number and Mass Number, Isotopes and Isobars.
Unit II: Organization in the Living World
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Cell - Basic Unit of life: Cell as a basic unit of life; prokaryotic and eukaryotic cells, multicellular organisms; cell membrane and cell wall, cell organelles and cell inclusions; chloroplast, mitochondria, vacuoles, endoplasmic reticulum, Golgi apparatus; nucleus, chromosomes - basic structure, number.
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Tissues, Organs, Organ System, Organism: Structure and functions of animal and plant tissues (only four types of tissues in animals; Meristematic and Permanent tissues in plants).
Unit III: Motion, Force and Work
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Motion: Distance and displacement, velocity; uniform and non-uniform motion along a straight line; acceleration, distance-time and velocity-time graphs for uniform motion and uniformly accelerated motion, elementary idea of uniform circular motion.
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Force and Newton’s laws: Force and Motion, Newton’s Laws of Motion, Action and Reaction forces,Inertia of a body, Inertia and mass, Momentum, Force and Acceleration.
NOTE: The following topic is included in the syllabus but will be assessed only formatively to reinforce understanding without adding to summative assessments
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Gravitation: Gravitation; Universal Law of Gravitation, Force of Gravitation of the earth (gravity),Acceleration due to Gravity; Mass and Weight; Free fall.
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Floatation: Thrust and Pressure. Archimedes’ Principle; Buoyancy.
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Work, Energy and Power: Work done by a Force, Energy, power; Kinetic and Potential energy; Law of conservation of energy (excluding commercial unit of Energy).
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Sound: Nature of sound and its propagation in various media, speed of sound, range of hearing in humans; ultrasound; reflection of sound; echo.
Unit IV: Food Production
Plant and animal breeding and selection for quality improvement and management; Use of fertilizers and manures; Protection from pests and diseases; Organic farming.
CBSE Class 9 Science Syllabus 2025-26 PDF Download
The Central Board of Secondary Education (CBSE) has released the latest Science syllabus for Class 9 for the academic session 2025–26.
This syllabus outlines all the important topics, unit-wise marks distribution, exam pattern, and internal assessment details.
Students can download the CBSE Class 9 Science Syllabus 2025–26 in PDF format from the link provided below and start their preparation with the latest curriculum.
CBSE Class 9 Science Syllabus 2025-26 PDF Download
Science Syllabus Class 9 CBSE 2025-26 Practical Assessment
The practical component of the Science Syllabus Class 9 CBSE 2025-26 focuses on experiments, lab work, activities, and skill-based evaluation. Below is the practical assessment for the academic session 2025–26:
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Component |
Marks |
Description |
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Periodic Assessment |
10 Marks |
Includes two sub-components: (a) 5 Marks: Three periodic tests conducted by the school. Best two test scores averaged for final 5 marks. (b) 5 Marks: Diverse assessment methods such as short tests, oral tests, quizzes, concept maps, projects, posters, presentations, and enquiry-based investigations. Rubrics used for objective assessment. |
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Practical / Laboratory Work |
5 Marks |
Continuous assessment of practicals done throughout the year. Students must maintain practical records, and all practicals listed in the syllabus must be completed. |
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Portfolio |
5 Marks |
Includes classwork, assignments, and other samples of student work maintained throughout the session. |
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