{"id":3572,"date":"2023-01-04T03:07:19","date_gmt":"2023-01-04T03:07:19","guid":{"rendered":"https:\/\/9thclass.deltapublications.in\/?page_id=3572"},"modified":"2026-02-10T05:16:54","modified_gmt":"2026-02-10T05:16:54","slug":"s-9-science","status":"publish","type":"page","link":"https:\/\/9thclass.deltapublications.in\/index.php\/s-9-science\/","title":{"rendered":"s-9. Science"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-center has-text-color\" style=\"color:#840000\"><strong><strong>Class<\/strong> IX Science<\/strong><\/h2>\n\n\n\n<details class=\"wp-block-details has-text-color has-large-font-size is-layout-flow wp-block-details-is-layout-flow\" style=\"color:#0a7e3d;text-transform:capitalize\"><summary>Matter In Our Surroundings<\/summary>\n<ul>\n<li><a title=\"S-1.a Matter In Our Surroundings\" href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-1-a-matter-in-our-surroundings\/\">1.a Matter In Our Surroundings<\/a><\/li>\n<\/ul>\n\n\n\n<ul>\n<li><a title=\"S-1.b Characteristics Of Particles Of Matter\" href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-1-b-characteristics-of-particles-of-matter\/\">1.b Characteristics Of Particles Of Matter<\/a><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-1-c-states-of-matter\/\" title=\"S-1.c States Of Matter\">1.c States Of Matter<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-1-d-matter-changes-its-state\/\" title=\"S-1.d Matter Changes Its State\">1.d Matter Changes Its State<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-1-e-evaporation\/\" title=\"S-1.e Evaporation\">1.e Evaporation<\/a><\/li>\n<\/ul>\n<\/details>\n\n\n\n<details class=\"wp-block-details has-text-color has-large-font-size is-layout-flow wp-block-details-is-layout-flow\" style=\"color:#8f0b0b;text-transform:capitalize\"><summary>Is Matter Around Us Pure<\/summary>\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-2-a-what-is-a-mixture\/\" title=\"S-2.a What Is A Mixture?\">2.a What Is A Mixture?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-2-b-what-is-a-solution\/\" title=\"S-2.b What Is A Solution\">2.b What Is A Solution<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-2-c-separation-of-components-of-a-mixture\/\" title=\"S-2.c Separation Of Components Of A Mixture\">2.c Separation Of Components Of A Mixture<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-2-d-physical-and-chemical-changes\/\" title=\"S-2.d Physical And Chemical Changes\">2.d Physical And Chemical Changes<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-2-e-what-are-the-types-of-pure-substances\/\" title=\"S-2.e What Are The Types Of Pure Substances?\">2.e What Are The Types Of Pure Substances?<\/a><\/li>\n<\/ul>\n<\/details>\n\n\n\n<details class=\"wp-block-details has-text-color has-large-font-size is-layout-flow wp-block-details-is-layout-flow\" style=\"color:#043f92;text-transform:capitalize\"><summary>Atoms And Molecules<\/summary>\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-3-a-law-of-chemical-combination\/\" title=\"S-3.a Law Of Chemical Combination\">3.a Law Of Chemical Combination<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-3-b-what-is-an-atom\/\" title=\"S-3.b What Is An Atom?\">3.b What Is An Atom?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-3-c-what-is-a-molecule\/\" title=\"S-3.c What Is A Molecule?\">3.c What Is A Molecule?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-3-d-writing-chemical-formulae\/\" title=\"S-3.d Writing Chemical &nbsp;Formulae\">3.d Writing Chemical &nbsp;Formulae<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-3-e-molecular-mass-and-mole-concept\/\" title=\"S-3.e Molecular Mass And Mole Concept\">3.e Molecular Mass And Mole Concept<\/a><\/li>\n<\/ul>\n<\/details>\n\n\n\n<details class=\"wp-block-details has-text-color has-large-font-size is-layout-flow wp-block-details-is-layout-flow\" style=\"color:#4710b5;text-transform:capitalize\"><summary>Structure Of The Atom<\/summary>\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-4-a-charged-particles-in-matter\/\" title=\"S-4.a Charged Particles In Matter\">4.A Charged Particles In Matter<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-4-b-structure-of-an-atom\/\" title=\"S-4.b Structure Of An Atom\">4.b Structure Of An Atom<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-4-c-how-are-electrons-distributed-in-different-orbits\/\" title=\"S-4.c How Are Electrons Distributed In Different Orbits?\">4.c How Are Electrons Distributed In Different Orbits?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-4-d-valency\/\" title=\"S-4.d Valency\">4.d Valency<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-4-e-atomic-number-and-mass-number\/\" title=\"S-4.e Atomic Number And Mass Number\">4.e Atomic Number And Mass Number<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-4-f-isotopes\/\" title=\"S-4.f Isotopes\">4.f Isotopes<\/a><\/li>\n<\/ul>\n<\/details>\n\n\n\n<details class=\"wp-block-details has-text-color has-large-font-size is-layout-flow wp-block-details-is-layout-flow\" style=\"color:#be064d;text-transform:capitalize\"><summary>The Fundamental Unit Of Life<\/summary>\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-5-a-what-are-living-organisms-made-up-of\/\" title=\"S-5.a What Are Living Organisms Made Up Of?\">5.a What Are Living Organisms Made Up Of?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-5-b-what-is-a-cell-made-up-of-what-is-the-structural-organisation-of-a-cell\/\" title=\"S-5.b What Is A Cell Made Up Of? What Is The Structural Organisation Of A Cell?\">5.b What Is A Cell Made Up Of? What Is The Structural Organisation Of A Cell?<\/a><\/li>\n<\/ul>\n<\/details>\n\n\n\n<details class=\"wp-block-details has-text-color has-large-font-size is-layout-flow wp-block-details-is-layout-flow\" style=\"color:#577408;text-transform:capitalize\"><summary>Tissues<\/summary>\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-6-a-are-plants-and-animals-made-of-same-types-of-tissues\/\" title=\"S-6.a Are Plants And Animals Made Of Same Types Of Tissues?\">6.a Are Plants And Animals Made Of Same Types Of Tissues?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-6-b-plant-tissues\/\" title=\"S-6.b Plant Tissues\">6.b Plant Tissues<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-6-c-animal-tissues\/\" title=\"S-6.c Animal Tissues\">6.c Animal Tissues<\/a><\/li>\n<\/ul>\n<\/details>\n\n\n\n<details class=\"wp-block-details has-text-color has-large-font-size is-layout-flow wp-block-details-is-layout-flow\" style=\"color:#a623bd;text-transform:capitalize\"><summary> Diversity<\/summary>\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-7-a-what-is-the-basis-of-classification\/\" title=\"S-7.a What Is The Basis Of Classification?\">7.a What Is The Basis Of Classification?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-7-b-classification-and-evolution\/\" title=\"S-7.b Classification And Evolution\">7.b Classification And Evolution<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-7-c-the-hierarchy-of-classification-groups\/\" title=\"S-7.c The Hierarchy Of Classification-Groups\">7.c The Hierarchy Of Classification-Groups<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-7-d-plantae\/\" title=\"S-7.d Plantae\">7.d Plantae<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-7-e-animalia\/\" title=\"S-7.e Animalia\">7.e Animalia<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-7-f-nomenclature\/\" title=\"S-7.f Nomenclature\">7.f Nomenclature<\/a><\/li>\n<\/ul>\n<\/details>\n\n\n\n<details class=\"wp-block-details has-text-color has-large-font-size is-layout-flow wp-block-details-is-layout-flow\" style=\"color:#1952bc;text-transform:capitalize\"><summary>Motion<\/summary>\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-8-a-describing-motion\/\" title=\"S-8.a Describing Motion\">8.a Describing Motion<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-8-b-measuring-rate-of-motion\/\" title=\"S-8.b Measuring Rate Of Motion\">8.b Measuring Rate Of Motion<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-8-c-rate-of-change-of-velocity\/\" title=\"S-8.c Rate Of Change Of Velocity\">8.c Rate Of Change Of Velocity<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-8-d-graphical-representation-of-motion\/\" title=\"S-8.d Graphical Representation Of Motion\">8.d Graphical Representation Of Motion<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-8-e-equations-of-motion-by-graphical-method\/\" title=\"S-8.e Equations Of Motion By Graphical Method\">8.e Equations Of Motion By Graphical Method<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-8-f-uniform-cercular-motion\/\" title=\"S-8.f Uniform Cercular Motion\">8.f Uniform Cercular Motion<\/a><\/li>\n<\/ul>\n<\/details>\n\n\n\n<details class=\"wp-block-details has-text-color has-large-font-size is-layout-flow wp-block-details-is-layout-flow\" style=\"color:#056600;text-transform:capitalize\"><summary>Force And Laws Of Motion<\/summary>\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-9-a-balanced-and-unbalanced-forces\/\" title=\"S-9.a Balanced And Unbalanced Forces\">9.a Balanced And Unbalanced Forces<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-9-b-first-law-of-motion\/\" title=\"S-9.b First Law Of Motion\">9.b First Law Of Motion<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-9-c-inertia-and-mass\/\" title=\"S-9.c Inertia And Mass\">9.c Inertia And Mass<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-9-d-second-law-of-motion\/\" title=\"S-9.d Second &nbsp;Law Of Motion\">9.d Second &nbsp;Law Of Motion<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-9-e-third-law-of-motion\/\" title=\"S-9.e Third Law Of Motion\">9.e Third Law Of Motion<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-9-f-conservation-of-momentum\/\" title=\"S-9.f Conservation Of Momentum\">9.f Conservation Of Momentum<\/a><\/li>\n<\/ul>\n<\/details>\n\n\n\n<details class=\"wp-block-details has-text-color has-large-font-size is-layout-flow wp-block-details-is-layout-flow\" style=\"color:#bb0eb5;text-transform:capitalize\"><summary>Gravitation<\/summary>\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-10-a-gravitation\/\" title=\"S-10.a Gravitation\">10.a Gravitation<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-10-b-free-fall\/\" title=\"S-10.b Free Fall\">10.b Free Fall<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-10-c-mass\/\" title=\"S-10.c Mass\">10.c Mass<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-10-d-weight\/\" title=\"S-10.d Weight\">10.d Weight<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-10-e-thrust-and-pressure\/\" title=\"S-10.e Thrust And Pressure\">10.e Thrust And Pressure<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-10-f-archimedes-principle\/\" title=\"S-10.f Archimedes Principle\">10.f Archimedes Principle<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-10-g-relative-density\/\" title=\"S-10.g Relative Density\">10.g Relative Density<\/a><\/li>\n<\/ul>\n<\/details>\n\n\n\n<details class=\"wp-block-details has-text-color has-large-font-size is-layout-flow wp-block-details-is-layout-flow\" style=\"color:#088245;text-transform:capitalize\"><summary>Work And Energy<\/summary>\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-11-a-work\/\">11.a Work<\/a><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\" id=\"block-2cb110c4-f77b-4243-8da5-9c6270267832\">\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-11-c-energy\/\">11.b Energy<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-11-c-rate-of-doing-work\/\">11.c Rate Of Doing Work<\/a><\/li>\n<\/ul>\n<\/details>\n\n\n\n<details class=\"wp-block-details has-text-color has-large-font-size is-layout-flow wp-block-details-is-layout-flow\" style=\"color:#06698c;text-transform:capitalize\"><summary>Sound<\/summary>\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-12-a-applications-of-ultrasound\/\" title=\"S-12.a Applications Of Ultrasound\">12.a Applications Of Ultrasound<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-12-b-structure-of-human-ear\/\" title=\"S-12.b Structure Of Human Ear\">12.b Structure Of Human Ear<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-12-c-production-of-sound\/\" title=\"S-12.c Production Of Sound\">12.c Production Of Sound<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-12-d-propagation-of-sound\/\" title=\"S-12.d Propagation Of Sound\">12.d Propagation Of Sound<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-12-e-reflection-of-sound\/\" title=\"S-12.e Reflection Of Sound\">12.e Reflection Of Sound<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-12-f-range-of-hearing\/\" title=\"S-12.f Range Of Hearing\">12.f Range Of Hearing<\/a><\/li>\n<\/ul>\n<\/details>\n\n\n\n<details class=\"wp-block-details has-text-color has-large-font-size is-layout-flow wp-block-details-is-layout-flow\" style=\"color:#620303;text-transform:capitalize\"><summary>Why Do We Fall Ill<\/summary>\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-13-a-health-and-its-failure\/\" title=\"S-13.a Health And Its Failure\">13.a Health And Its Failure<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-13-b-disease-and-its-causes\/\" title=\"S-13.b Disease &nbsp;And Its Causes\">13.b Disease &nbsp;And Its Causes<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-13-c-infectious-diseases\/\" title=\"S-13.c Infectious Diseases\">13.c Infectious Diseases<\/a><\/li>\n<\/ul>\n<\/details>\n\n\n\n<details class=\"wp-block-details has-text-color has-large-font-size is-layout-flow wp-block-details-is-layout-flow\" style=\"color:#14149c;text-transform:capitalize\"><summary>Natural Resources<\/summary>\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-14-a-the-breath-of-life-air\/\" title=\"S-14.a The Breath Of Life: Air\">14.a The Breath Of Life: Air<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-14-b-water-a-wonder-liquid\/\" title=\"S-14.b Water: A Wonder Liquid\">14.b Water: A Wonder Liquid<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-14-c-mineral-riches-in-the-soil\/\" title=\"S-14.c Mineral Riches In The Soil\">14.c Mineral Riches In The Soil<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-14-d-biogeochemical-cycles\/\" title=\"S-14.d Biogeochemical Cycles\">14.d Biogeochemical Cycles<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-14-e-ozone-layer\/\" title=\"S-14.e Ozone Layer\">14.e Ozone Layer<\/a><\/li>\n<\/ul>\n<\/details>\n\n\n\n<details class=\"wp-block-details has-text-color has-large-font-size is-layout-flow wp-block-details-is-layout-flow\" style=\"color:#950ba8;text-transform:capitalize\"><summary>Improvement In Food Resources<\/summary>\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-15-a-improvement-in-crop-yield\/\" title=\"S-15.a Improvement In Crop Yield\">15.a Improvement In Crop Yield<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-15-b-animal-husbandry\/\" title=\"S-15.b Animal Husbandry\">15.b Animal Husbandry<\/a><\/li>\n<\/ul>\n<\/details>\n\n\n\n<details class=\"wp-block-details has-text-color has-large-font-size is-layout-flow wp-block-details-is-layout-flow\" style=\"color:#950606;text-transform:capitalize\"><summary>Laws Of Motion*<\/summary>\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-16-a-first-law-of-motion\/\" title=\"S-16.a First Law Of Motion\">16.a First Law Of Motion<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-16-b-second-law-of-motion\/\" title=\"S-16.b Second Law Of Motion\">16.b Second Law Of Motion<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-16-c-third-law-of-motion\/\" title=\"S-16.c Third Law Of Motion\">16.c Third Law Of Motion<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-16-d-conservation-of-momentum-and-impulse\/\" title=\"S-16.d Conservation Of Momentum And Impulse\">16.d Conservation Of Momentum And Impulse<\/a><\/li>\n<\/ul>\n<\/details>\n\n\n\n<details class=\"wp-block-details has-text-color has-large-font-size is-layout-flow wp-block-details-is-layout-flow\" style=\"color:#006f6f;text-transform:capitalize\"><summary>Floating Bodies*<\/summary>\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-17-a-have-a-little-fun\/\" title=\"S-17.a Have A Little Fun\">17.a Have A Little Fun<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-17-b-comparing-density\/\" title=\"S-17.b Comparing Density\">17.b Comparing Density<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-17-c-relative-density-of-liquids\/\" title=\"S-17.c Relative Density Of Liquids\">17.c Relative Density Of Liquids<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-17-d-upwards-force-in-liquids\/\" title=\"S-17.d Upwards Force In Liquids\">17.d Upwards Force In Liquids<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-17-e-pressure-of-air\/\" title=\"S-17.e Pressure Of Air\">17.e Pressure Of Air<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-17-f-measuring-the-force-of-buoyancy\/\" title=\"S-17.f Measuring The Force Of Buoyancy\">17.f Measuring The Force Of Buoyancy<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-17-g-archimedes-principle\/\" title=\"S-17.g Archimedes Principle\">17.g Archimedes Principle<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-17-h-pascals-principle\/\" title=\"S-17.h Pascals Principle\">17.h Pascals Principle<\/a><\/li>\n<\/ul>\n<\/details>\n\n\n\n<details class=\"wp-block-details has-text-color has-large-font-size is-layout-flow wp-block-details-is-layout-flow\" style=\"color:#080599;text-transform:capitalize\"><summary>Cell Its Structure And Functions*<\/summary>\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-18-a-typical-cell\/\" title=\"S-18.a Typical Cell\">18.a Typical Cell<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-18-b-cell-wall\/\" title=\"S-18.b Cell Wall\">18.b Cell Wall<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-18-c-cytoplasm\/\" title=\"S-18.c Cytoplasm\">18.c Cytoplasm<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-18-d-cell-organelles\/\" title=\"S-18.d Cell Organelles\">18.d Cell Organelles<\/a><\/li>\n<\/ul>\n<\/details>\n\n\n\n<details class=\"wp-block-details has-text-color has-large-font-size is-layout-flow wp-block-details-is-layout-flow\" style=\"color:#8e1010;text-transform:capitalize\"><summary>Animal Tissues*<\/summary>\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-19-a-types-of-cells\/\" title=\"S-19.a Types Of Cells\">19.a Types Of Cells<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-19-b-story-of-blood\/\" title=\"S-19.b Story Of Blood\">19.b Story Of Blood<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-19-c-nervous-cells\/\" title=\"S-19.c Nervous Cells\">19.c Nervous Cells<\/a><\/li>\n<\/ul>\n<\/details>\n\n\n\n<details class=\"wp-block-details has-text-color has-large-font-size is-layout-flow wp-block-details-is-layout-flow\" style=\"color:#1e5e06;text-transform:capitalize\"><summary>Movement Of Materials Across The Cell Membrane*<br><\/summary>\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-20-a-functions-of-plasma-membrane\/\" title=\"S-20.a Functions Of Plasma Membrane\">20.a Functions Of Plasma Membrane<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-20-b-diffusion\/\" title=\"S-20.b Diffusion\">20.b Diffusion<\/a><\/li>\n<\/ul>\n<\/details>\n\n\n\n<details class=\"wp-block-details has-text-color has-large-font-size is-layout-flow wp-block-details-is-layout-flow\" style=\"color:#8e0b8e;text-transform:capitalize\"><summary>Diversity In Living Organisms*<\/summary>\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-21-a-diversity-in-plants\/\" title=\"S-21.a Diversity In Plants\">21.a Diversity In Plants<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-21-b-diversity-in-animals\/\" title=\"S-21.b Diversity In Animals\">21.b Diversity In Animals<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-21-c-the-hierarchy-of-classification\/\" title=\"S-21.c The Hierarchy Of Classification\">21.c The Hierarchy Of Classification<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-21-d-classification-of-animals\/\" title=\"S-21.d Classification Of Animals\">21.d Classification Of Animals<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-21-e-nomenclature\/\" title=\"S-21.e Nomenclature\">21.e Nomenclature<\/a><\/li>\n<\/ul>\n<\/details>\n\n\n\n<details class=\"wp-block-details has-text-color has-large-font-size is-layout-flow wp-block-details-is-layout-flow\" style=\"color:#090c97;text-transform:capitalize\"><summary>Sense Organs*<\/summary>\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-22-a-what-do-our-sense-do\/\" title=\"S-22.a What Do Our Sense Do?\">22.a What Do Our Sense Do?<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s22-b-simulation-to-sensation\/\" title=\"S22.b Simulation To Sensation-\">22.b Simulation To Sensation<\/a><\/li>\n<\/ul>\n<\/details>\n\n\n\n<details class=\"wp-block-details has-text-color has-large-font-size is-layout-flow wp-block-details-is-layout-flow\" style=\"color:#13066a;text-transform:capitalize\"><summary>Animal Behaviour*<\/summary>\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-23-a-diff-types-of-animal-behaviour\/\" title=\"S-23.a Diff Types Of Animal Behaviour\">23.a Diff Types Of Animal Behaviour<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-23-b-human-behaviour\/\" title=\"S-23.b Human Behaviour\">23.b Human Behaviour<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-23-c-some-experiments-towards-animal-intelligence\/\" title=\"S-23.c Some Experiments Towards Animal Intelligence\">23.c Some Experiments Towards Animal Intelligence<\/a><\/li>\n<\/ul>\n<\/details>\n\n\n\n<details class=\"wp-block-details has-text-color has-large-font-size is-layout-flow wp-block-details-is-layout-flow\" style=\"color:#890808;text-transform:capitalize\"><summary>Adaptations*<\/summary>\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s24-a-adaptations-in-some-more-desert-animals\/\" title=\"S24.a Adaptations In Some More Desert Animals-\">24.a Adaptations In Some More Desert Animals<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-24-b-adaptations-in-aquatic-ecosystem-other-adaptations\/\" title=\"S-24.b Adaptations In Aquatic Ecosystem, Other Adaptations\">24.b Adaptations In Aquatic Ecosystem, Other Adaptations<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-24-c-lichens\/\" title=\"S-24.c Lichens\">24.c Lichens<\/a><\/li>\n<\/ul>\n<\/details>\n\n\n\n<details class=\"wp-block-details has-text-color has-large-font-size is-layout-flow wp-block-details-is-layout-flow\" style=\"color:#128710;text-transform:capitalize\"><summary>Soil Protection*<\/summary>\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-25-a-history-of-soil\/\" title=\"S-25.a History Of Soil\">25.a History Of Soil<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-25-b-pollution-of-soil\/\" title=\"S-25.b Pollution Of Soil\">25.b Pollution Of Soil<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-25-c-protection-of-soil\/\" title=\"S-25.c Protection Of Soil\">25.c Protection Of Soil<\/a><\/li>\n<\/ul>\n<\/details>\n\n\n\n<details class=\"wp-block-details has-text-color has-large-font-size is-layout-flow wp-block-details-is-layout-flow\" style=\"color:#0d1ea1;text-transform:capitalize\"><summary>Bio Geo Chemicals*<\/summary>\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-26-a-water-and-nitrogen-cycle\/\" title=\"S-26.a Water And Nitrogen Cycle\">26.a Water And Nitrogen Cycle<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-26-b-carbon-and-oxygen-cycle\/\" title=\"S-26.b Carbon And Oxygen Cycle\">26.b Carbon And Oxygen Cycle<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/9thclass.deltapublications.in\/index.php\/s-26-c-ozone-layer\/\" title=\"S-26.c Ozone Layer\">26.c Ozone Layer<\/a><\/li>\n<\/ul>\n<\/details>\n","protected":false},"excerpt":{"rendered":"<p>Class IX Science<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-3572","page","type-page","status-publish","hentry","entry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/9thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3572","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/9thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/9thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/9thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/9thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/comments?post=3572"}],"version-history":[{"count":30,"href":"https:\/\/9thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3572\/revisions"}],"predecessor-version":[{"id":13661,"href":"https:\/\/9thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/pages\/3572\/revisions\/13661"}],"wp:attachment":[{"href":"https:\/\/9thclass.deltapublications.in\/index.php\/wp-json\/wp\/v2\/media?parent=3572"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}