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Duration: Valid Till April 2020 
Lectures: 158 Lectures & Test Question 5869 
Video: Hindi 
116 Hours 40 Minutes 
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Class 9 : Maths + Science Video Lectures
Topics Covered in Class IX  Science Video Lectures
Chapter 1 : MATTER in Our Surroundings
What is Matter; Properties of Matter Experiment with Pollen Grains, Mixing Ink with water, Brownian Motion of Dust/Smoke, Spreading of Smell, Experiment with Sugar & Water, Mixing of Potassium Permanganate with water, Mixing of Copper Sulphate with water; Diffusion;
States of Matter; Properties Filling Container, Shape & Volume, Compressibility & Rigidity, Spreading of Smell;
Moving through, Fluidity, Density; Diffusion; Pressure;
Measurement of Temperature; Change of State of Matter Change of State by Temperature, Latent Heat, Sublimation, Change of State by Pressure;
Evaporation Evaporation: Surface Phenomenon, Boiling vs Evaporation; Factors affecting Evaporation Temperature, Surface Area, Humidity, Wind; Presence of water vapour in air;
Cooling effect of Evaporation Sweating, Earthen Pitcher, Water on Rooftop, Tea in Saucer, Cotton Clothes in Summer, Cooler; Two more states of matter Bose Einstein Condensate, Plasma;
Chapter 2 : Is MATTER Around Us PURE?
Elements; Compounds;
Mixture Compounds vs Mixtures; Definitions of Elements, Compounds, Mixtures; Homogeneous &Â Heterogeneous; Chemical & Physical Change;
Tyndall Effect; Solution, Suspension, Colloid (Basic); Solution; Suspension; Types of Solution Alloy; Colloid; Suspension vs Solution vs Colloid; Types of Colloid;
Terms related to Solution Diluted & Concentrated Solution, Saturated Solution, Solubility, Effect of Temperature on Solubility, Effect of Pressure on Solubility, Concentration of Solution;
Separation of Mixtures Filtration, Evaporation, Crystallization, Chromatography, Sublimation Separation of Immiscible Liquids, Separation of Miscible Liquids (Distillation), Separation of Miscible Liquids (Fractional Distillation), Separation of Gases from Air;
Centrifugation; Cleaning drinking water; Classification of Matter Properties of Metams & NonMetals;
Chapter 3 : Structure of The Atom
Introduction; Charged Particles in Matter; Discovery of Sub  atomic Particles  Electron, Proton, Neutron; Activity Related to Charged Particles;
Structure of Atom  Thomson's Model of Atom, Rutherford's Gold Foil Experiment, Rutherford's Model of Atom  Nucleus, Limitations of Rutherford's Model;
Ion; Mass Number; Isotopes  Chemical and Physical Properties of Isotopes; Fractional Mass number of Elements; Isobars;
Electron Distribution in Orbits;Valency;
Chapter 4 : Fundamental Unit of Life
Introduction; Discovery of Fundamental Unit of Life; Cell Theory; Types of Cells  Prokaryotic Cell, Eukaryotic Cell  Plant Cells, Animal Cells; Cell Structures  Plasma Membrane;
Cell Wall, Protoplasm, Golgi Bodies, Ribosomes, Mitochondria;
Centrioles, Plastids, Lysosomes, Vacuoles, Endoplasmic Reticulum;
Nucleus; Transport through Plasma Membrane  Diffusion, Osmosis; Important Points of Cell;
Chapter 5 :Tissues
Division of Labour; Plants vs Animals; Classification: Plant Tissues; Merismatic Tissue;
Permanent Tissue SimpleParenchyma, SimpleCollenchyma, SimpleSclerenchyma, SimpleEpidermis, Aerial Epidermis, Root Epidermis, SimpleCork;
PermanentComplexComplexXylem, ComplexPhloem; Revision; Plant Tissue; Experimental Study of Stem; Experimental Study of Epidermis;
Types of Animal Tissue; Muscular Tissue Types; Nervous Tissue;
Connective Tissue Bones, Cartilage, Tendon & Ligament, Areolar, Adipose, Blood, Lymph, Epithelial Tissue Types;
Chapter 6 : Diversity in Living Organisms
Classification Taxonomy, Basis of Classification, Important Characteristics used for Classification, Hierarchy of Classification, Nomenclature;
The Five Kingdoms; Monera; Fungi Saprophytes, Parasites, Symbiotic Relations;
Plantae Basis of Division, Thallophyta, Bryophyta, Pteridophyta, Gymnosperms, Angiosperms, Monocots & Dicots;
Animalia Symmetry, Germ Layers, Coelom, Notochord, Classification of Animalia Kingdom; Porifera; Coelentrata; Ctenophora; Platyhelminthes; Nematoda; Mollusca; Annelida; Arthropoda; Echinodermata; Hemichordata; Chordata;
Classification of Chordates; Vertebrates; Revision of Animalia Kingdom; Classification and Evolution;
Chapter 7 : Motion
Motion in Straight Line Position; Vector and Scalar;
Distance & Displacement
Photo Diagram; Average SpeedÂ & Velocity Direction, Speed & Velocity, Units, Odometer,
Acceleration Rate of change of Velocity, Definitions, Retardation, Deacceleration, Uniform & Nonuniform Acceleration;
Equations of Uniformly Accelerated Motion; Average velocity in Uniformly accelerated Motion;
Uniform Circular Motion Direction, Discontinuing Circular Motion, Calculation Speed;
Graphical representation of Motion Distance time graph, Speed time graph;
Calculations using graph Distance time graph, Speed, Speed time graph, acceleration, Speed time graph,distance; Derivations of equation of motion;
Chapter 8 : Force and Newton's Laws of Motion
Force; Effects of Force; Unit of Force; Some common Forces Muscular Force, Gravitational Force, Friction Force, Air Resistance, Magnetic Force; Net or Resultant Force;
Newton's 1st Law (Explanation) Newton's 1st Law(Statement); Some Practical Examples Falling of Fruits on shaking Tree, Carromboard, Coin, Card, Tumbler, Beating of Carpet, Passenger in Vehicles, Luggage on top of Vehicla; Inertia & Mass;
Momentum Significance, Change in momentum, Rate of Change;
Newton's 2nd Law;
Revision of Acceleration; 2nd Law in terms of acceleration;
1st Law from 2nd; Advanced Questions; Practical example of 2nd Law Catching a Ball, High Jump;
Newton's 3rd Law; Practical examples Recoil of Gun, Swimming, Walking or Running, Jumping from Boat, Fireman's Hose Pipe, Spring Balance, Man Pushing Wall, Horse and Cart;
Conservation of Momentum Statement;
Practical Applications of COM Recoil of Gun, Passing a heavy mass, Heating a test tube with cork, Jetplanes, Rocket;
Chapter 9 : Gravitation
Universal Law of Gravitation Examples, Statement, Importance; Free Fall;
Recalling Velocity And Acceleration, Falling Bodies: case 1;
Falling bodies: case 2; Air Resistance;
Value of g; Mass and weight Weight on moon; Circular motion and Gravitation; Summary of Gravitation;
Thrust and Pressure; Pressure in fluids;
Archimedes Principle; Density Relative Density, Why float or sink?; Summary;
Chapter 10 : Atom and Molecules
Atom Symbols of Atoms of different Elements, Properties of Atoms, Atomic Mass; Molecules Molecular Mass;
Ions, Valancy Valancy of Cations, Valancy of Anions; Polyatomic Ions; Writing the formulae of Compounds;
Mole Concept Molar Mass;
Calculation of no. of Moles from no. of Particles; Percentage of an Element in a Compound;Â Laws of Chemical CombinationÂ Law of Conservation of Mass, Law of Constant Proportion;
Chapter 11 : Work and Energy
Introduction; Work  Unit of Work, Workdone against Gravity; Oblique Displacement;
Energy Â Unit of Energy; Different Forms of Energy  Kinetic Energy  Kinetic Energy and Work, Derivation of Formulae of K.E.;
Transformation of Energy; Law of Conservation of Energy  Energy Conservation for a Falling Body, Energy Conservation in Pendulum;
Rate of doing Work;Â Commercial Unit of Energy;
Chapter 12 : Sound
Introduction; Production and Propagation of Sound  Tuning Fork  Experiment 1, Experiment 2; Experiment: Dancing of Light Spot; Medium of Sound  Experiment;
Frequency, Velocity of Sound Wave; Characteristic of sound as we hear it  Loudness, Pitch, Quality or Timbre; Music & Noise; Tone & Note;
Sonic Boom  Light faster than Sound; Reflection of Sound  Laws of Reflection of Sound  Experiment to Verify Law of Reflection; Use of Reflection of Sound, Echo  Minimum Distance to hear Echo; Reverberation;
Types of Sound based on Frequency  Range of Hearing  Infrasound/ Infrasonic Sound, Ultrasound / Ultrasonic Sound, Application of Ultrasound; Sonar;
Human Ear  Structure of Ear, Working of Ear; Hearing Aid; Intensity of Sound;
Chapter 13 : Why do We Fall Ill
Introduction; Factors determining Health (Personal & Community; Difference between Health and Disease; Disease  Look of Disease, Cause of Disease  External Cause, Internal Cause, Different levels of cause of Disease; Types of Diseases;
Infectious Diseases  Agents of Infectious Diseases, Means of Spread of Agents  Through Air, Through Water, Sexual Act, Through Other Creatures; Immune System  Signs of Inflammation; Disease  Organ  Symptoms; Treatment of Diseases  Properties that Medicines should Possess;
Why Prevention is better than Cure?; Ways to Prevent Disease  Prevent Spread of Microbes, Strengthen Immune System, Vaccination  Immunisation, Origin of Word "Vaccination";
AIDS  Cause of AIDS, Effects; Peptic Ulscer; Rabies; Types of Diseases; Microbes Vs Disease; Which Disease affects which Organ?; Different Modes for Different Diseases;Â Diseases for those Vaccines are available;
Chapter 14 : Natural Resources
Introduction; Air  Applications of Air  For Breathing, Climate Control, Wind : Movement of Air  Experiment 1, Experiment 2; Rain  Experiment (Cloud Formation); Air Pollution;
Water  Availability, Applications of Water, Water Pollution; Soil  What is Soil?, Formation of Soil, Composition of Soil, Soil Pollution, Soil Erosion;
Biogeochemical Cycles  Water Cycle, Oxygen Cycle, Nitrogen Cycle, Carbon Cycle;
Green House Effect; Global Warming  Harmful Consequences of Global Warming; Ozone Layer Depletion  Damage to Ozone Layer, Harmful Consequences of Ozone Layer Depletion;
Chapter 15 : Improvement in Food Resources
Introduction; Various Revolution held in India; Types of Crops; Crop Season; Crop Variety Improvement Good and Healthy Seeds, Hybridisation, Genetic Improvement, Properties of Improved Seeds;
Crop Production Improvement Nutrient Management Manure, Fertilizers; IrrigationWells, Canals, River Lift System, Tank, Rain Water Harvesting; Crop Patterns Mixed Cropping, Inter Cropping, Crop Rotation;
Crop Protection Improvement Pest ControlWeeds, Insects, Pathogens, Protection from Pests; Storage of Grains; Organic Farming;
Animal Husbandry Cattle Farming Purpose of Cattle Farming, Types of Cattle, Lactation Period, Care of Cattle, Diseases; Poultry Farming Management Practices in Farms, Difference between Broilers and layers; Fish Production Finned & Unfinned Fish Production, Capture and Culture Fishing, Marine and Inland Fishing, Composite Fish Culture; Bee Keeping; Some Indian Varieties of Bees;
Topics Covered in Class IX  Mathematics Video Lectures
Chapter 1 : Number System
Chapter 2 : Polynomials
Constants & Variables; Algebraic Expressions; Terms of an algebraic Expression; Polynomials; Degree of Polynomial; Classification of Polynomial; Zeros of polynomial;
Division of Polynomials; Remainder Theorem; Factor Theorem;
Factorization of Quadratic Trinomials; Middle Spliting Term; Algebraic Identities;
Chapter 3 : Coordinate Geometry
Basic Terms;
Cartesian System Coordinate axes, Quadrant; Coordinates of point on axis Point on a Graph, Is (x,y) same as (y,x), Another meaning of x and y coordinates;
Finding area of triangle or rectangle Example of triangle, Examples of rectangle; Mirror image of a point Image in xaxis, Image in yaxis; Summary;
Chapter 4 : Linear Equations
Chapter 5 : Introduction to Euclid's Geometry
Chapter 6 : Lines and Angles
Angles & their properties Angles, Types of angles, Complementary angles, Supplementary angles, Angle Bisector;
Angle Relations Adjacent Angles, Linear Pair of Angles, Theorem 1, Theorem 2, Vertically Opposite Angles, Theorem 3;
Parallel Lines Transversal, Corresponding Angles, Alternate Interior Angles, Consecutive Interior Angles, Corresponding Angles Axiom;
Properties of Alternate Interior Angles Theorem 4, Theorem 5;
Properties of Consecutive Interior Angles Theorem 6, Theorem 7;
Chapter 7: Triangles
Definition of Triangle; Types of Triangles On the basis of Sides, On The basis of Angles; Terms Related to a Triangle Median & Centroid, Altitude &Â Orthocentre; Theorem 1;Â Exterior Angle of a Triangle Theorem 2;
Congruent Figures; Congruence of Triangles; SAS Congruence Criteria Theorem 3, Theorem 4; ASA Congruence Criteria Theorem 5;
AAS Congruence Criteria Theorem 6, Theorem 7;
SSS Congruence Criteria Theorem 8, RHS Congruence Criteria, Theorem 9;
Inequality relations in triangle Theorem 10, Theorem 11, Theorem 12;
Chapter 8 :Quadrilaterals
Congruence of Triangles SAS Congruence Criteria, ASA Congruence Criteria, SSS Congruence Criteria, RHS Congruence Criteria; Types of Quadrilateral Parallelogram, Rectangle, Rhombus, Square, Trapezium, Kite;
Theorem 1; Properties of parallelogram Theorem 2, Theorem 3;
Theorem 4; Theorem 5;
Conditions for a Quadrilateral to be a parallelogram Theorem 6, Theorem 7, Theorem 8;
Theorem 9(Midpoint Theorem);
Theorem 10;
Chapter 9 : Area of Triangles and Parallelogram
Introduction; Polygonal Regions Triangular Regions, Rectangular Region, Polygonal Region; Area axioms;
Area of parallelogam Theorem 1, Theorem 2;
Area of Triangle Theorem 3;
Relation between triangle & parallelogram Theorem 4;
Comparing Area of 2 Triangles Theorem 5, Theorem 6, Theorem 7;
Chapter 10 : Circles
Circle & Related Terms Geometrical definition, Position of a point, Circular Region, Secant & Tangent, Radius, Circumference, Chord & Diameter, Concentric circles, Arc of a circle,Â Semicircle, Minor & major Arc, Segment of a circle, Sector & Quadrant of a circle, Congruent circles and arcs;
Properties of Chords Theorem 1, Theorem 2, Theorem 3, Theorem 4;
Results on Equal Chords Theorem 5, Theorem 6;
Angles Subtended by Arcs Theorem 7, Theorem 8;
Cyclic Quadrilateral &Â its Properties Cyclic Quadrilateral, Theorem 10, Theorem 11;
Chapter 11 : Construction
Chapter 12 : Heron's Formula
Area of a triangle by simple formula; Area of a triangle by
Heron's formula;
Heron's formula;
Area of quadrilateral;
Chapter 13 : Surface Area and Volume
Surface area and Volume of Cuboid, Surface area and Volume of Cube;
Surface area and Volume of Cylinder, Surface area and Volume of Cone, Surface area and Volume of Sphere;
Chapter 14 : Statistics
Data; Presentation of Data; Understanding Basic terms;
Questions;
Bar Graph, Histogram, Frequency Polygon;
Mean; Mean for an ungrouped freq. Dist. Table; Assumed Mean Method; Step Deviation Method; Median; Mode;
Chapter 15 : Probability
Activities; Understanding term Probability; Experiments;
Event; Probability; Empirical Probability Tossing a coin;
Rolling a dice; Miscellaneous Example;
Class 9 : Science + Maths Paper Solution
Product Description
Product Description
Class IX  Science
1. Atom and Molecules
In this chapter we will study various questions which comes in exam so as to understand how to give answer, important point to be remembered while answering a question.
Question No. 1 to 17
Â Â Question Paper
Â Â Solution
2. Matter in our surrounding
3. Is matter around us pure
4. Tissue
5. Newton's law
6. Motion
7. Gravitation
8. Improvement in food Resources
9. Structure of The Atom
10. Diversity in Living Organisms
11. Work and Energy
12. Sound
13. Why do We Fall Ill
14. Natural Resources
15. Flotation
Multiple Chapters (Diversity + Why do we fall ill)
Multiple Chapters (Sound + Natural Resources)
Multiple Chapters (Atoms and molecule + Structure of Atom)
Multiple Chapters (Flotation + Work Energy)
Complete Paper 1
Complete Paper 2
Complete Paper 3
Complete Paper 4
Complete Paper 5
Class IX  Maths
Chapter 1 : Number System
In this chapter we will study various questions which comes in exam so as to understand how to give answer, important point to be remembered while answering a question.
Question No. 1 to 16
Â Â Question Paper
Â Â Solution
Chapter 2 : Polynomials
Chapter 3 : Coordinate Geometry
Chapter 4 : Linear Equations
Chapter 5 : Euclid's Geometry
Chapter 6 : Lines And Angles
Chapter 7 : Triangle
Chapter 8 : Circle
Chapter 9 : Heron's Formula
Chapter 10 : Probability
Chapter 11 : Quadrilateral
Chapter 12 : Area of Triangles And Parallelogram
Chapter 13 : Surface Area And Volume
Chapter 14 : Statistics
Chapter 15 : Complete Paper 1
Chapter 16 : Complete Paper 2
Chapter 17 : Complete Paper 3
Class 9 : Maths + Science Test
Science Chapter
About Instructors
GRS Academy
Educational Institute started by a team of IITians based in Kota.
Headed by Mr. Sunil Singh, M.Tech, IIT Delhi having teaching experience in various fields.
Guest Faculty in NIET, Greater Noida, NCR. in Electrical Engineering Deptt.
Mr. Neetin Agrawal
B.Tech, IIT Madras. Author of 3 books for IITJEE Physics.
Over 10 years of teaching experience in some of the best coaching institutes of India.
He has several inventions to his name.
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Rs.21,490.00 Rs.17,990.00
Duration: Valid Till April 2020 
Lectures: 158 Lectures & Test Question 5869 
Video: Hindi 
116 Hours 40 Minutes 
Nik
Explanation is very easy to understand..Thanks
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Muksaar
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enne changge videos haige tussi fail hohi ni sakde
mohan
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Anonymous
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