Class 9 Class 9 – Science – CBSE 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 – Social Science – CBSE Notes History Chapter 1 The French Revolution Chapter 2 Socialism in Europe and the Russian Revolution Chapter 3 Nazism and the Rise of Hitler Chapter 4 Forest Society and Colonialism Chapter 5 Pastoralists in the Modern World Chapter 6 Peasants and Farmers Chapter 7 History and Sports: The story of Cricket Chapter 8 Clothing: A Social History Economics Chapter 1 The The Story of Village Palampur Chapter 2 People as Resources Chapter 3 Poverty as a Challenge Chapter 4 Food security in India Geography Chapter 1 India – Size and Location Chapter 2 Physical Features of India Chapter 3 Drainage Chapter 4 Climate Chapter 5 Natural Vegetation and Wildlife Chapter 6 Population Political Science Chapter 1 Democracy in the Contemporary World Chapter 2 What is Democracy? Why Democracy? Chapter 3 Constitutional Design Chapter 4 Electoral Politics Chapter 5 Working of Institutions Chapter 6 Democratic Rights