CBSE Class 9 Science Syllabus
CBSE Syllabus For Class 9 Science
Unit No | Unit Name |
I | Matter – Its Nature and Behaviour |
II | Organization in the Living World |
III | Motion, Force, and Work |
IV | Our Environment |
V | Food; Food Production |
CBSE Syllabus For Class 9 Science: Matter – Its Nature & Behaviour
The CBSE Class 9 Syllabus for Science Unit 1 (Matter – Its Nature and Behaviour) is as below:
CBSE Syllabus For Class 9 Science: Matter – Its Nature and Behaviour | |
Matter – Nature, and Behaviour | Definition of matter; solid, liquid and gas; characteristics – shape, volume, density; change of state-melting (absorption of heat), freezing, evaporation (cooling by evaporation), condensation, sublimation. |
Nature of Matter | Elements, compounds, and mixtures. Heterogeneous and homogenous mixtures, colloids and suspensions. |
Particle Nature, Basic Units | Atoms and molecules, Law of constant proportions, Atomic and molecular masses. Mole concept: Relationship of the mole to a mass of the particles and numbers. |
Structure of Atoms | Electrons, protons, and neutrons, valency, chemical formula of common compounds. Isotopes and Isobars. |
CBSE Syllabus For Class 9 Science: Organization In The Living World
The CBSE Syllabus for Class 9 Science Unit 2 (Organization in the Living World) is as below:
CBSE Syllabus For Class 9 Science: Organization In The Living World | |
Cell – Basic Unit of Life | The 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. |
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). |
Biological Diversity | Diversity of plants and animals – basic issues in scientific naming, basis of classification. Hierarchy of categories/groups, Major groups of plants (salient features) (Bacteria, Thallophyta, Bryophyta, Pteridophyta, Gymnosperms, and Angiosperms). Major groups of animals (salient features) (Non-chordates up to phyla and chordates up to classes). |
Health and Diseases | Health and its failure. Infectious and Non-infectious diseases, their causes and manifestation. Diseases caused by microbes (Virus, Bacteria, and Protozoans) and their prevention; Principles of treatment and prevention. Pulse Polio programmes |
CBSE Syllabus For Class 9 Science: Motion, Force, and Work
The CBSE Syllabus for Class 9 Science for Unit 3 (Motion, Force, and Work) is as below:
CBSE Syllabus For Class 9 Science: Motion, Force, and Work | |
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, derivation of equations of motion by the graphical method; elementary idea of uniform circular motion. |
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. Elementary idea of conservation of Momentum. |
Gravitation | Gravitation; Universal Law of Gravitation, Force of Gravitation of the earth (gravity), Acceleration due to Gravity; Mass and Weight; Freefall. |
Floatation | Thrust and Pressure. Archimedes’ Principle; Buoyancy; Elementary idea of Relative Density. |
Work, energy, and power | Work done by a Force, Energy, power; Kinetic and Potential energy; Law of conservation of energy. |
Sound | Nature of sound and its propagation in various media, speed of sound, range of hearing in humans; ultrasound; reflection of sound; echo and SONAR. Structure of the Human Ear (Auditory aspect only). |
CBSE Syllabus For Class 9 Science: Our Environment
The CBSE Syllabus for Class 9 Science for Unit 4 (Our Environment) is as below:
CBSE Syllabus For Class 9 Science: Our Environment | |
Physical Resources | Air, Water, Soil. Air for respiration, for combustion, for moderating temperatures; movements of air and its role in bringing rains across India. Air, water and soil pollution (brief introduction). Holes in the ozone layer and the probable damages. |
Bio-geochemical cycles in nature | Water, Oxygen, Carbon, and Nitrogen. |
CBSE Syllabus For Class 9 Science: Food; Food Production
The CBSE Syllabus for Class 9 Science for Unit 5 (Food; Food Production) is as below:
CBSE Syllabus For Class 9 Science: Food; Food Production | |
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. |