🌈 CBSE Class 9 Science Syllabus (2025–26)

🔶 Unit I: Matter – Its Nature and Behaviour

Matter in Our Surroundings

• Meaning of matter with examples
• Characteristics of particles of matter
• States of matter
• Properties of solids, liquids, gases
• Changes of state
• Evaporation and influencing factors
• Cooling due to evaporation

Is Matter Around Us Pure?

• Pure substances vs mixtures
• Elements, compounds, mixtures
• Homogeneous vs heterogeneous
• Colloids and suspensions
• Physical vs chemical changes

Atoms and Molecules

• Concept of atoms and molecules
• Laws of chemical combination
• Formula writing basics
• Atomic & molecular mass

Structure of the Atom

• Subatomic particles
• Atomic models
• Atomic & mass number
• Valency (simple)
• Isotopes & isobars

🟩 Unit II: Organization in the Living World

Cell – The Basic Unit of Life

• Definition & importance of cells
• Prokaryotic vs eukaryotic
• Uni vs multicellular
• Cell membrane & cell wall
• Organelles (nucleus, mitochondria, ER, Golgi, vacuole, chloroplast)
• Chromosomes

Tissues, Organs & Organ Systems

• Concept of tissues and organs
• Animal tissues
• Plant tissues

🔷 Unit III: Motion, Force and Work

Motion

• Distance & displacement
• Speed & velocity
• Uniform vs non-uniform
• Acceleration
• Graphs
• Circular motion

Force & Newton’s Laws

• Effects of force
• Newton’s 3 laws
• Action–reaction
• Inertia
• Mass & momentum

Gravitation

• Universal gravitation
• Gravity on Earth
• g (acceleration due to gravity)
• Mass vs weight
• Free fall

Floatation

• Thrust & pressure
• Buoyant force
• Archimedes’ principle
• Floating conditions

Work, Energy & Power

• Work
• Kinetic & potential energy
• Conservation of energy
• Power

Sound

• Nature of sound waves
• Propagation
• Speed
• Hearing range
• Ultrasound
• Echo & reflection

🟧 Unit IV: Food Production

Improvement in Food Resources

• Plant breeding
• Animal breeding
• Manures & fertilizers
• Pest protection
• Intro to organic farming