Class 9 Class 9 – Science – CBSE NotesChapter 1 : Matter in Our SurroundingsMatterStates of MatterSublimationCharacteristics of particle nature of matterChange in state of matterDiffusionEvaporationEvidences of particle in matter and their motionLatent HeatWater vapours in airChapter 2 : Is Matter Around us PureIs Matter Around us PureColloidsSolutionSuspensionCompoundConcentrationMixturesSeparation of mixtureElementsPhysical and chemical changeChapter 3 : Atoms and MoleculesIonic CompoundsMoleculesAtomic MassMolecular MassIonsDalton’s Atomic TheoryGram Molecular MassMole ConceptValency of IonChapter 4 : Structure of the AtomJ.J. Thomson model of an atomIsobarsIsotopesStructure of an atomArrangement of electrons in the atomsRutherford model of an atomBohr’s model of an atomDiscovery of NeutronDiscovery of electronDiscovery of ProtonValency of IonChapter 5 : The Fundamental Unit of LifeGolgi ApparatusLysosomesCell organelles-plasma membranePlastidsCytoplasmMitochondriaEndoplasmic reticulumNucleusFundamental units of life Chapter 6 : TissuesTissueAnimal tissueMeristematic tissueComplex tissueConnective tissueMuscular tissueEpithelial tissueNervous tissuePermanent tissueVacuolesChapter 7: Diversity in Living OrganismsAmphibiaAnnelidaArthropodiaPoriferaReptilaAvesPlatyelminthesCoelenterataProtochordataMammalianVertebrataMolluscaNematodaPiscesPlantae kingdomDiversity in living organismEchinodermataChapter 8: MotionMotionVelocityAccelerationEquation of motionEquation of motion by graphical methodGraphical representation of motionChapter 9: Force and Laws of MotionConservation of momentumForceNewton’s first law of motionNewton’s second law of motionNewton’s third law of motionChapter 10: GravitationGravitationMass, weight, pressure, thrustPressure in liquidRelative density Chapter 11: Work and EnergyWorkEnergyForms of energyTransformation of energyLaw of conservation of energyPowerChapter 12: Soundlongitudinal wavesTransverse waveCharacteristics of wavesSpeed of sound in different mediumReflection of soundReverberationSonarHuman earChapter 13: Why do we Fall ill?Infectious agentMeans of spread of Infectious diseaseTypes of diseasesPoint of entry and symptoms of DiseaseSignificance of healthPrinciple of PreventionPrinciple of treatmentVaccinationChapter 14: Natural ResourcesAtmosphereAirWaterSoilWater cycleCarbon CycleNitrogen cycleGreen House EffectChapter 15: Improvement in Food ResourcesCrop RotationNutrient management , Manures and FertilisersIrrigation, Mixed Cropping, Intercropping and Crop RotationGenetic Manipulation And Crop ImprovementCrop Protection ManagementClass 9 – Social Science – CBSE NotesHistoryChapter 1 The French RevolutionChapter 2 Socialism in Europe and the Russian RevolutionChapter 3 Nazism and the Rise of HitlerChapter 4 Forest Society and ColonialismChapter 5 Pastoralists in the Modern WorldChapter 6 Peasants and FarmersEconomicsChapter 1 The The Story of Village PalampurChapter 2 People as ResourcesChapter 3 Poverty as a ChallengeChapter 4 Food security in IndiaGeographyChapter 1 India – Size and LocationChapter 2 Physical Features of IndiaChapter 3 DrainagePolitical ScienceChapter 1 Democracy in the Contemporary WorldChapter 2 What is Democracy? Why Democracy?Chapter 3 Constitutional DesignChapter 4 Electoral PoliticsChapter 5 Working of Institutions