The Uttarakhand Board of School Education (UBSE) has released the Class 9 Science Syllabus 2025–26, providing students and teachers a clearly structured outline for the upcoming academic session. The syllabus has been framed to strengthen conceptual awareness, encourage scientific thinking, and prepare students for higher classes—especially Class 10 board exams. Covering Physics, Chemistry, and Biology, the UBSE Class 9 Science syllabus emphasizes hands-on learning, experimentation, and application-based understanding.
This detailed article provides the complete UBSE Class 9 Science Syllabus 2025–26, chapter-wise topics, marking scheme, deleted portions (if any), practical components, and a FREE downloadable PDF format for convenient study and revision.

Table of Contents
UBSE Class 9 Science Syllabus 2025–26: Overview
The Class 9 Science curriculum is designed to introduce fundamental principles of the physical and biological world. The course encourages students to observe natural phenomena, ask questions, explore, and build strong conceptual foundations.
Key Highlights
Subject: Science (Physics + Chemistry + Biology)
Class: 9
Session: 2025–26
Board: UBSE – Uttarakhand Board of School Education
Syllabus Pattern: NCERT-aligned
Evaluation: Theory + Practical/Project Work
Free PDF: Available for download (content provided below)
UBSE Class 9 Science Syllabus 2025–26 – Chapter-wise Topics
The UBSE Class 9 Science syllabus includes 15 chapters divided across Physics, Chemistry, and Biology. Below is the complete, updated chapter-wise syllabus.
PHYSICS (Class 9)
Chapter 8: Motion
Distance and displacement
Uniform and non-uniform motion
Speed, velocity, and acceleration
Graphical representation of motion
Equations of motion
Chapter 9: Force and Laws of Motion
Force: Introduction and types
Newton’s three laws of motion
Inertia and mass
Momentum and conservation of momentum
Chapter 10: Gravitation
Universal law of gravitation
Free fall and acceleration due to gravity
Mass vs weight
Thrust and pressure
Archimedes’ principle and buoyancy
Chapter 11: Work and Energy
Work done by force
Energy and types of energy
Kinetic and potential energy
Law of conservation of energy
Power
Chapter 12: Sound
Nature of sound waves
Propagation of sound
Frequency, amplitude, wavelength
Speed of sound in different media
Reflection of sound
Applications (SONAR, eco-friendly sound levels)
CHEMISTRY (Class 9)
Chapter 1: Matter in Our Surroundings
States of matter
Interconversion of states
Latent heat
Evaporation and factors affecting evaporation
Chapter 2: Is Matter Around Us Pure?
Mixtures and solutions
Colloids and suspensions
Separation techniques
Purification of substances
Chapter 3: Atoms and Molecules
Laws of chemical combination
Dalton’s atomic theory
Mole concept
Chemical formulas
Chapter 4: Structure of the Atom
Discovery of electrons, protons, neutrons
Thomson, Rutherford, and Bohr models
Valency
Atomic number and mass number
BIOLOGY (Class 9)
Chapter 5: The Fundamental Unit of Life
Cell structure and organelles
Prokaryotic vs eukaryotic cells
Plant and animal cells
Cell membrane, nucleus, mitochondria, etc.
Chapter 6: Tissues
Plant tissues (meristematic and permanent)
Animal tissues (epithelial, connective, muscular, nervous)
Chapter 7: Diversity in Living Organisms
Five-kingdom classification
Hierarchy: Kingdom → Species
Basis of classification
Plant and animal groups
Chapter 13: Why Do We Fall Ill?
Health and diseases
Infectious vs non-infectious diseases
Microbial infections
Principles of treatment and prevention
Chapter 14: Natural Resources
Air, water, soil
Biogeochemical cycles
Human impact and conservation
Chapter 15: Improvement in Food Resources
Agricultural practices
Crop improvement
Animal husbandry
Poultry, fisheries, and dairy management
UBSE Class 9 Science Practical Syllabus 2025–26
Practical work is an essential component of the Class 9 Science curriculum.
List of Experiments
Preparation of a mixture and a compound using iron and sulfur
Separation of mixtures (evaporation, filtration, chromatography)
Study of plant and animal cells
Verification of laws of reflection of sound (model-based)
Measuring density of solid objects
Observation of onion cells with a microscope
Preparation of temporary slide of plant tissues
Practical Evaluation Criteria
Record & Viva: 10 marks
Activities: 5 marks
Lab Test: 5 marks
UBSE Class 9 Science Marking Scheme 2025–26
| Component | Marks |
|---|---|
| Theory | 80 |
| Internal Assessment | 20 |
| Total | 100 |
Internal Assessment Includes
Subject enrichment activities
Lab work
Class tests
Project work
How to Download the UBSE Class 9 Science Syllabus 2025–26 PDF
Students can download the complete PDF from the official UBSE website:
Steps to download
Visit ubse.uk.gov.in
Go to Syllabus / Curriculum section
Select Class 9
Click on Science 2025–26
Download PDF
A compiled, easy-to-read version of the syllabus is also provided here for convenience.
Tips to Prepare for UBSE Class 9 Science (2025–26)
Start with NCERT textbook basics
Practice diagrams and definitions regularly
Solve end-of-chapter exercises
Make notes for formulas, laws, and principles
Perform practicals sincerely in school labs
Revise weekly to strengthen concepts
Conclusion
The UBSE Class 9 Science Syllabus 2025–26 builds a strong foundation in Physics, Chemistry, and Biology, preparing students for Class 10 board exams and higher scientific learning. With a structured chapter-wise breakdown, practical focus, and detailed internal assessment, the syllabus encourages conceptual clarity and hands-on understanding.
Students are advised to download the FREE PDF, stay consistent with revision, and practice regularly to excel in the subject.

