CBSE Class 9 Science Syllabus for Board Exam 2026-27, Download PDF Here

The CBSE Class 9 Science syllabus for 2026-27 is what the students will follow. It is based on the National Curriculum Framework for School Education which was made in 2023. The CBSE Class 9 Science syllabus for 2026-27 has all the details that the students need to know. It tells them what they have to study what they have to understand and what they have to practise during the year. The CBSE Class 9 Science syllabus, for 2026-27 also tells them how the exam will be and how their work will be assessed inside the classroom. This helps the students to prepare for the exams and to know how they will be evaluated.

CBSE Class 9 Science Unit-Wise Weightage for Annual Examination (2026–27)

The annual exam for Class 9 Science will be based on four major units covering Physics, Chemistry, Biology, and Environmental Science. The marks distribution across these units will be as follows:

Internal Assessment Scheme (20 Marks)

Below is the detailed internal assessment structure for CBSE Class 9 Science 2026:

CBSE Class 9 Science Final Exam Format

The following format outlines how the final examination will be conducted for Class 9 Science. It combines theory and internal assessment to evaluate both conceptual understanding and practical application.

• Total Marks: 100 (80 marks theory + 20 marks internal assessment)
• Time Duration: 3 Hours
• Question Types: Objective-type, Short Answer, Long Answer, and Application-based
• Syllabus Coverage: Entire year’s syllabus

CBSE Class 9 Science Syllabus 2025-2026

Below is the detailed course content to be followed for the academic session 2026-27:

Unit I: Matter - Its Nature and Behaviour (Theme: Materials)

1. 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

2. Is Matter Around Us Pure

   • Elements, compounds, and mixtures
   • Heterogeneous and homogeneous mixtures, colloids and suspensions
   • Physical and chemical changes (excluding separating the components of a mixture)
   • Pure and impure substances

3. Atoms and Molecules

   • Atoms and molecules
   • Law of Chemical Combination
   • Chemical formula of common compounds
   • Atomic and molecular masses

4. 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 (Theme: The World of the Living)

1. Cell – Basic Unit of Life

   • Prokaryotic and eukaryotic cells
   • Multicellular organisms
   • Cell membrane and cell wall
   • Cell organelles and inclusions: Chloroplast, mitochondria, vacuoles, endoplasmic reticulum, Golgi apparatus
   • Nucleus, chromosomes – basic structure and number

2. Tissues, Organs, Organ System, Organism

   • Structure and functions of animal and plant tissues
     • Four types of tissues in animals
     • Meristematic and Permanent tissues in plants

Note: The following topics are only for formative assessment to reinforce understanding (not for year-end exams): Health and Diseases: Health and its failure Infectious and non-infectious diseases, causes, and manifestation Diseases caused by microbes (Virus, Bacteria, Protozoans) and their prevention Principles of treatment and prevention Pulse Polio programme

Unit III: Motion, Force and Work (Theme: Moving Things, People and Ideas)

1. 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

2. 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 only for formative assessment: Elementary idea of conservation of momentum

3. Gravitation

   • Universal Law of Gravitation
   • Force of gravitation of the earth (gravity)
   • Acceleration due to gravity
   • Mass and weight
   • Free fall

4. Floatation

   • Thrust and Pressure
   • Archimedes’ Principle
   • Buoyancy

5. Work, Energy and Power

   • Work done by a Force
   • Energy and Power
   • Kinetic and Potential energy
   • Law of conservation of energy
   • (Excluding commercial unit of energy)

6. 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; Food Production (Theme: Food)

• Plant and animal breeding and selection for quality improvement and management
• Use of fertilizers and manures
• Protection from pests and diseases
• Organic farming

The CBSE Class 9 Science syllabus for 2026–27 is designed to help students prepare strategically for their annual exams. With clear unit-wise weightage, detailed course content, and a structured internal assessment scheme, it allows students to prioritise their study plan effectively. Hence, students must follow the syllabus closely, focus on high-weightage units, complete practicals diligently, and regularly revise key concepts to maximise their performance in the final exam.