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Home » Class 9

Class 9

Class 9 – Science Notes

Chapter 1 : Matter in Our Surroundings

  • Matter
  • States of Matter
  • Sublimation
  • Characteristics of particle nature of matter
  • Change in state of matter
  • Diffusion
  • Evaporation
  • Evidences of particle in matter and their motion
  • Latent Heat
  • Water vapours in air

Chapter 2 : Is Matter Around us Pure

  • Is Matter Around us Pure
  • Colloids
  • Solution
  • Suspension
  • Compound
  • Concentration
  • Mixtures
  • Separation of mixture
  • Elements
  • Physical and chemical change

Chapter 3 : Atoms and Molecules

  • Ionic Compounds
  • Molecules
  • Atomic Mass
  • Molecular Mass
  • Ions
  • Dalton’s Atomic Theory
  • Gram Molecular Mass
  • Mole Concept
  • Valency of Ion

Chapter 4 : Structure of the Atom

  • J.J. Thomson model of an atom
  • Isobars
  • Isotopes
  • Structure of an atom
  • Arrangement of electrons in the atoms
  • Rutherford model of an atom
  • Bohr’s model of an atom
  • Discovery of Neutron
  • Discovery of electron
  • Discovery of Proton
  • Valency of Ion

Chapter 5 : The Fundamental Unit of Life

  • Golgi Apparatus
  • Lysosomes
  • Cell organelles-plasma membrane
  • Plastids
  • Cytoplasm
  • Mitochondria
  • Endoplasmic reticulum
  • Nucleus
  • Fundamental units of life

Chapter 6 : Tissues

  • Tissue
  • Animal tissue
  • Meristematic tissue
  • Complex tissue
  • Connective tissue
  • Muscular tissue
  • Epithelial tissue
  • Nervous tissue
  • Permanent tissue
  • Vacuoles

Chapter 7: Diversity in Living Organisms

  • Amphibia
  • Annelida
  • Arthropodia
  • Porifera
  • Reptila
  • Aves
  • Platyelminthes
  • Coelenterata
  • Protochordata
  • Mammalian
  • Vertebrata
  • Mollusca
  • Nematoda
  • Pisces
  • Plantae kingdom
  • Diversity in living organism
  • Echinodermata

Chapter 8: Motion

  • Motion
  • Velocity
  • Acceleration
  • Equation of motion
  • Equation of motion by graphical method
  • Graphical representation of motion

Chapter 9: Force and Laws of Motion

  • Conservation of momentum
  • Force
  • Newton’s first law of motion
  • Newton’s second law of motion
  • Newton’s third law of motion

Chapter 10: Gravitation

  • Gravitation
  • Mass, weight, pressure, thrust
  • Pressure in liquid
  • Relative density

Chapter 11: Work and Energy

  • Work
  • Energy
  • Forms of energy
  • Transformation of energy
  • Law of conservation of energy
  • Power

Chapter 12: Sound

  • longitudinal waves
  • Transverse wave
  • Characteristics of waves
  • Speed of sound in different medium
  • Reflection of sound
  • Reverberation
  • Sonar
  • Human ear

Chapter 13: Why do we Fall ill?

  • Infectious agent
  • Means of spread of Infectious disease
  • Types of diseases
  • Point of entry and symptoms of Disease
  • Significance of health
  • Principle of Prevention
  • Principle of treatment
  • Vaccination

Chapter 14: Natural Resources

  • Atmosphere
  • Air
  • Water
  • Soil
  • Water cycle
  • Carbon Cycle
  • Nitrogen cycle
  • Green House Effect

Chapter 15: Improvement in Food Resources

  • Crop Rotation
  • Nutrient management , Manures and Fertilisers
  • Irrigation, Mixed Cropping, Intercropping and Crop Rotation
  • Genetic Manipulation And Crop Improvement
  • Crop Protection Management

Class 9 Other Subjects

  • Class 9 – English

  • Class 9 – Social Science

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