CBSE Class 9 Science Syllabus

CBSE Class 9 Science Syllabus

The Syllabus in the subject of Science has undergone changes from time to time in accordance with the growth of the subject and emerging needs of society. The present revised syllabus has been designed in accordance with the National Curriculum Framework and as per guidelines given in the Focus Group on Teaching of Science which is to meet the emerging needs of all categories of students. For motivating the teacher to relate the topics to real-life problems and other subject areas, greater emphasis has been laid on applications of various concepts.

1. MATTER IN OUR SURROUNDINGS  

  • Physical Nature of Matter
  • Characteristics of Particles of
  • Matter
  • States of Matter
  • Can Matter Change its State?
  • Evaporation

2. IS MATTER AROUND US PURE? 

  • What is a Mixture?
    • types of mixtures
  • What is a Solution?
    • concentration of a solution
    • what is a suspension?
    • what is a colloidal solution?
  • Separating the components of a mixture
  • Physical and chemical changes
  • What are the types of pure substances?
    • Elements
    • compounds

3. ATOMS AND MOLECULES

  • Laws of Chemical Combination
    • law of conservation of mass
    • law of constant proportions
  • What is an Atom?
  • What is a Molecule?
    • molecules of elements
    • molecules of compounds
    • what is an ion?
  • Writing Chemical Formulae
    • formulae of simple compounds
  • Molecular Mass and Mole Concept
    • molecular mass
    • formula unit mass
    • mole concept

4. STRUCTURE OF THE ATOM

  • Charged Particles in Matter
  • The Structure of an Atom
    • Thomson’s model of an atom
    • Rutherford’s model of an atom
    • Bohr’s model of an atom
    • Neutrons
  • How are Electrons Distributed in Different Orbits (Shells)?
    • Valency
  • Atomic Number and Mass Number
    • Atomic number
    • Mass number
  • Isotopes
    • Isobars

5. THE FUNDAMENTAL UNIT OF LIFE

  • What are Living Organisms Made Up of?
  • What is a Cell Made Up of?
  • What is the Structural organization of a Cell?
    • plasma membrane or cell membrane
    • cell wall
    • nucleus
    • cytoplasm
    • cell organelles

6. TISSUES

  • Are Plants and Animals Made of Same Types of Tissues?
  • Plant Tissues
    • meristematic tissue
    • permanent tissue
  • Animal Tissues
    • epithelial tissue
    • connective tissue
    • muscular tissue
    • nervous tissue

7. DIVERSITY IN LIVING ORGANISMS

  • What is the Basis of Classification?
  • Classification and Evolution
  • Classification and Evolution
    • Monera
    • Protista
    • Fungi
    • Plantae
    • Animalia
  • Plantae
    • Thallophyta 
    • Bryophyta
    • Pteridophyta
    • Gymnosperms
    • Angiosperms
  • Animalia
    • Porifera
    • Coelenterata (cnidaria)
    • Platyhelminthes
    • Nematoda
    • Annelida
    • Arthropoda
    • Mollusca
    • Echinodermata
    • Protochordate
    • Vertebrata
  • Nomenclature

8. MOTION

  • Describing Motion
    • Motion along a straight line
    • Uniform motion and non-uniform motion
  • Measuring the rate of motion
  • Rate of Change of velocity
  • Graphical Representation of Motion
  • Equations of Motion by Graphical Method
    • Equation for velocity-time relation
    • Equation for position-time relation
    • Equation for a position–velocity relation
  • Uniform circular motion

9. FORCE AND LAWS OF MOTION

  • Balanced and Unbalanced Forces
  • First Law of Motion
  • Inertia and Mass
  • Second Law of Motion
    • Mathematical formulation of the second law of motion
  • Third Law of motion
  • Conservation of momentum

10. GRAVITATION

  • Gravitation
    • Universal law of gravitation
    • Importance of the universal law of gravitation
  • Free Fall
    • To calculate the value of g
    • motion of objects under the influence of the gravitational force of the earth
  • Mass
  • Weight
    • Weight of an object on the moon
  • Thrust and Pressure
    • pressure in fluids
    • Buoyancy
    • Why objects float or sink when placed on the surface of the water?
  • Archimedes’ Principle
  • Relative Density

11. WORK AND ENERGY 

  • Work
  • Energy
    • Forms of energy
    • kinetic energy
    • Potential energy
    • Potential energy of an object  at a height
    • Are various energy forms interconvertible?
    • Law of conservation of energy
  • Rate of doing work
    • Commercial unit of energy

12. SOUND 

  • Production of Sound
  • Propagation of Sound
    • Sound needs a medium to travel
    • Sound waves are longitudinal waves
    • Characteristics of a sound wave
    • Speed of sound in different media
  • Reflection of Sound
    • Echo
    • Reverberation
    • Uses of multiple reflections of sound
  • Range of Hearing
  • Applications of Ultrasound
    • Sonar
  • Structure of Human Ear

13. WHY DO WE FALL ILL?

  • Health and its Failure
    • The significance of ‘health’
    • Personal and community issues both matter for   health
    • Distinctions between ‘healthy’  and ‘disease-free’
  • Disease and Its Causes
    • What does disease look like?
    • Acute and chronic diseases
    • Chronic diseases  and  poor  health
    • Causes of diseases
    • Infectious and non-infectious  causes
  • Infectious Diseases
    • Infectious agents
    • Means of spread
    • Organ-specific and tissue-specific
    • manifestations
    • principles of treatment
    • principles of prevention

14. NATURAL RESOURCES

  • The Breath of Life: Air
    • The role of the atmosphere in climate control
    • The movement of air: winds
    • Rain
    • Air pollution
  • Water: A wonder Liquid
    • water pollution
  • Mineral riches in the Soil
  • Biogeochemical Cycles
    • The water-cycle
    • The nitrogen-cycle
    • The carbon-cycle
    • The oxygen-cycle
  • Ozone Layer

15. IMPROVEMENT IN FOOD RESOURCES

  • Improvement in Crop Yields
    • Crop variety improvement
    • Crop production management
    • Crop protection management
  • Animal Husbandry
    • Cattle farming
    • Poultry farming
    • Fish production
    • Bee - keeping

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