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      Class 9 Science Crash Course

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      • Class 09
      • Class 9 Science Crash Course
      CoursesClass 09ScienceClass 9 Science Crash Course
      • 01. Is Matter Around Us Pure
        7
        • Lecture1.1
          Elements and Compounds 15 min
        • Lecture1.2
          Mixtures, Homogeneous & Heterogeneous 31 min
        • Lecture1.3
          Tyndall Effect, Solution, Suspension, Colloids 35 min
        • Lecture1.4
          Terms related to Solution, Solubility & Concentration 29 min
        • Lecture1.5
          Separation of Mixtures 47 min
        • Lecture1.6
          Cleaning Drinking Water 15 min
        • Lecture1.7
          Practice Questions 27 min
      • 02. Atoms and Molecules
        5
        • Lecture2.1
          Atom, Atomic Mass, Molecule and Molecular Mass 37 min
        • Lecture2.2
          Ions, Valency & Formulae of Compounds 35 min
        • Lecture2.3
          Mole Concept 27 min
        • Lecture2.4
          Percentage of an Element & Laws of Chemical Combination 21 min
        • Lecture2.5
          Practice Questions 37 min
      • 03. Structure of Atom
        5
        • Lecture3.1
          Charged Particles & Discovery of Sub-atomic Particles 24 min
        • Lecture3.2
          Atomic Model by J.J Thomson’s Model and Rutherford 46 min
        • Lecture3.3
          Bhor’s Atomic Models, Isotopes & Isobar 59 min
        • Lecture3.4
          Electron Distribution in Orbits and Valency 51 min
        • Lecture3.5
          Practice Questions 46 min
      • 04. The Fundamental Unit of Life
        5
        • Lecture4.1
          Introduction to Cell and Its Structure – Cell Wall 23 min
        • Lecture4.2
          Cell Membrane, Cytoplasm, Nucleus 30 min
        • Lecture4.3
          Ribosomes, ER, Golgi bodies, Liposomes, Mitochondria 33 min
        • Lecture4.4
          Plastids, Vacuole; Cell Types and Transport through Plasma Membrane 30 min
        • Lecture4.5
          Practice Questions 15 min
      • 05. Tissues
        6
        • Lecture5.1
          Division of Labor, Merismatic Tissue 18 min
        • Lecture5.2
          Plant Tissue-Simple Permanent Tissue 32 min
        • Lecture5.3
          Plant Tissue-Permanent Complex Tissue 19 min
        • Lecture5.4
          Animal Tissue- Muscular & Nervous Tissue 23 min
        • Lecture5.5
          Animal Tissue- Connective & Epithelial Tissue 38 min
        • Lecture5.6
          Practice Questions 23 min
      • 06. Motion
        9
        • Lecture6.1
          Straight Line Motion, Position, Vector and Scalar 20 min
        • Lecture6.2
          Distance & Displacement 17 min
        • Lecture6.3
          Speed & Velocity 35 min
        • Lecture6.4
          Acceleration & Deacceleration, Uniform & Non-uniform Acceleration 26 min
        • Lecture6.5
          Equations of Uniformly Accelerated Motion 21 min
        • Lecture6.6
          Uniform Circular Motion 16 min
        • Lecture6.7
          Graphical representation of Motion 30 min
        • Lecture6.8
          Calculations Using Graph & Derivation 19 min
        • Lecture6.9
          Practice Questions 33 min
      • 07. Force and Laws of Motion
        10
        • Lecture7.1
          Force and Resultant Force 22 min
        • Lecture7.2
          Newton’s 1st Law & its Practical Applications, Inertia & Mass 29 min
        • Lecture7.3
          Momentum 21 min
        • Lecture7.4
          Newton’s 2nd Law 13 min
        • Lecture7.5
          Newton’s 2nd Law in Terms of Acceleration 12 min
        • Lecture7.6
          Newton’s 1st Law from 2nd law and Its Practical Examples 24 min
        • Lecture7.7
          Newton’s 3rd Law and its Practical Examples 25 min
        • Lecture7.8
          Conservation of Momentum 16 min
        • Lecture7.9
          Practical Applications of Conservation of Momentum 11 min
        • Lecture7.10
          Practice Questions 31 min
      • 08. Gravitation
        5
        • Lecture8.1
          Universal Law of Gravitation and Free Fall 22 min
        • Lecture8.2
          Falling Bodies: case 1 19 min
        • Lecture8.3
          Falling bodies: case 2 and Air Resistance 30 min
        • Lecture8.4
          Value of g, Mass & Weight, Weight on Moon, Circular Motion & Gravitation 39 min
        • Lecture8.5
          Practice Questions 30 min
      • 09. Work and Energy
        5
        • Lecture9.1
          Work & Work done Against Gravity, Oblique Displacement 42 min
        • Lecture9.2
          Energy & Derivation of Formulae of K.E. 36 min
        • Lecture9.3
          Transformation of Energy & Law of Conservation of Energy 41 min
        • Lecture9.4
          Rate of doing Work, Commercial Unit of Energy 28 min
        • Lecture9.5
          Practice Questions 30 min
      • 10. Why do We Fall ill
        5
        • Lecture10.1
          Factors Determining Health & Disease 26 min
        • Lecture10.2
          Infectious Diseases, Immune System, Treatment of Diseases 48 min
        • Lecture10.3
          Prevention from Disease, Vaccination – Immunization 24 min
        • Lecture10.4
          AIDS & Different Diseases 15 min
        • Lecture10.5
          Practice Questions 33 min
      • 11. Natural Resources
        5
        • Lecture11.1
          Natural Resources-Air 51 min
        • Lecture11.2
          Natural Resources-Water and Soil and its Pollution 35 min
        • Lecture11.3
          Biogeochemical Cycles 24 min
        • Lecture11.4
          Ozone Layer Depletion 11 min
        • Lecture11.5
          Practice Questions 26 min
      • Sample Paper
        9
        • Lecture12.1
          Sample Paper 1 01 hour
        • Lecture12.2
          Sample Paper 2 02 hour
        • Lecture12.3
          Sample Paper 3 01 hour
        • Lecture12.4
          Sample Paper 4 01 hour
        • Lecture12.5
          Sample Paper 5 01 hour
        • Lecture12.6
          Combined Test 1 38 min
        • Lecture12.7
          Combined Test 2 35 min
        • Lecture12.8
          Combined Test 3 46 min
        • Lecture12.9
          Combined Test 4 48 min
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