Mathematics

Criteria for Simillarity of Triangles

Mathematics

Distance Formula

Mathematics

Finding the Height of the Tree and Width of the River

Topics Covered

  • Introduction
  • Euclids Division Lemma
  • Theorem for Euclid’s Division Lemma The Fundamental Theorem of Arithmetic
  • Revisiting Irrational Numbers
  • Theorem Related to Revisiting Irrational Numbers Revisiting Rational Numbers and Their Decimal Expansions
  • Theorem Related to Revisiting Rational Numbers and Their Decimal Expansions Summary
  • Introduction
  • Geometrical Meaning of the Zeroes of a Polynomial
  • Relationship between Zeroes and Coefficients of a Polynomia
  • Division Algorithm for Polynomials
  • Summary
  • Introduction
  • Pair of Linear Equations in Two Variables
  • Graphical Method of Solution of a Pair of Linear Equations
  • Algebraic Methods of Solving a Pair of Linear Equations
  • Substitution Method Elimination Method Cross - Multiplication Method Equations Reducible to a Pair of Linear Equations in Two Variables
  • Summary
  • Introduction
  • Quadratic Equations
  • Solution of a Quadratic Equation by Factorisation
  • Solution of a Quadratic Equation by Completing the Square
  • Nature of Roots
  • Summary
  • Introduction
  • Arithmetic Progressions
  • nth Term of an AP
  • Sum of First n Terms of an AP
  • Summary
  • Introduction
  • Similar Figures
  • Similarity of Triangles
  • Basic Proportionality Theorem Criteria for Similarity of Triangles
  • Areas of Similar Triangles
  • Theorem - The ratio of the areas of two similar triangles Pythagoras Theorem
  • Pythagoras Theorem Proof for Pythagoras Theorem Converse of Pythagoras Theorem Summary
  • Introduction
  • Distance Formula
  • Section Formula
  • Area of a Triangle
  • Summary
  • Introduction
  • Trigonometric Ratios
  • Trigonometric Ratios of Some Specific Angles
  • Trigonometric Ratios of Complementary Angles
  • Trigonometric Identities
  • Summary
  • Introduction
  • Heights and Distances
  • Summary
  • Introduction
  • Tangent to a Circle
  • Number of Tangents from a Point on a Circle
  • Summary
  • Introduction
  • Division of a Line Segment
  • Construction of Tangents to a Circle
  • Construction 11.3 To construct the tangents to a circle from a point outside it. Summary
  • Introduction
  • Perimeter and Area of a Circle A Review
  • Areas of Sector and Segment of a Circle
  • Areas of Combinations of Plane Figures
  • Summary
  • Introduction
  • Surface Area of a Combination of Solids
  • Volume of a Combination of Solids
  • Conversion of Solid from One Shape to Another
  • Frustum of a Cone
  • Summary
  • Introduction
  • Mean of Grouped Data
  • Mode of Grouped Data
  • Median of Grouped Data
  • Graphical Representation of Cumulative Frequency Distribution
  • Summary
  • Introduction
  • Probability A Theoretical Approach
  • Summary

Physics

Causes of electric current

Physics

Electric generators and Dynamo

Physics

Power of accomodation of eye

Topics Covered

Physics

  • Reflection of Light
  • Spherical Mirrors
  • Image Formation by Spherical Mirrors Representation of Images Formed by Spherical Mirrors Using Ray Diagrams Sign Convention for Reflection by Spherical Mirrors Mirror Formula and Magnification Refraction of Light
  • Refraction through a Rectangular Glass Slab The Refractive Index Refraction by Spherical Lenses Image Formation by Lenses Image Formation in Lenses Using Ray Diagrams Sign Convention for Spherical Lenses Lens Formula and Magnification Power of a Lens
  • The Human eye
  • Power of Accommodation Defects of Vision and their Correction
  • Refraction of Light through a Prism
  • Dispersion of White Light by a Glass Prism
  • Atmospheric Refraction
  • Scattering of Light
  • Tyndall Effect Scattering of light,blue colour of the sky and Colour of the Sun at Sunrise and Sunset
  • Electric Current and Circuit
  • Electric Potential and Potential difference
  • Circuit diagram
  • OHMS Law
  • Factors on which the resistance of a conductor depends
  • Resistance of a system of Resistors
  • Resistors in Series or Parellel Heating effect of Electric Current
  • Practical applications of Heating Efect of Electric Current Electric power
  • Magnetic Feld and Field Lines
  • Magnetic Field due to a Current Carrying conductor
  • Magnetic Field due to a Current through a Straight Conductor Right-Hand Thumb Rule Magnetic Field due to a Current through a Circular Loop Magnetic Field due to a Current in a Solenoid Force on a Current Carrying Conductor in a Magnetic Field
  • Electric Motor
  • Electro Magnetic Induction
  • Electric Generator
  • Domestic Electric Circuits
  • What is a Good Source of Energy
  • Conventional Sources of Energy
  • Fossil Fuels Thermal Power Plant Hydro Power Plants Improvements in the Technology for using Conventional Sources of Energy Alternative or Non-Conventional Sources of Energy
  • Solar Energy Energy from the Sea Geothermal Energy Nuclear Energy Environmental Consequences
  • How long will an Energy Source Last Us?

Chemistry

Chemical Properties of metals

Chemistry

Metallurgy-Concentration of Ore

Chemistry

Rate of reactions

Topics Covered

  • Chemical Equations
  • Writing a Chemical Equation Balanced Chemical Equations Types of Chemical Reactions
  • Combination Reaction Decomposition Reactions Displacement Reactions Double Displacement Reactions Oxidation and Reduction Effects of Oxidation Reaction in Everyday Life
  • Corrosion Rancidity
  • Under Standing the Chemical Properties of Acids and Bases
  • Acids and Bases in the Laboratory Reaction of acids and bases with Metals Reaction of Metal Carbonates and Metal Hydrogen Carbonates with acids How do Acids and Bases React with each other? Reaction of Metallic Oxides with Acids and Non-metallic Oxide with Base What do all Acids and all Bases have in Common?
  • What Happens to an Acid or a Base in a Water Solution? How Strong are Acid or Base Solutions?
  • Importance of pH in Everyday Life More About Salts
  • Family of Salts pH of Salts Chemicals from Common Salt Are the Crystals of salts really dry
  • Physical Properties
  • Metals Non-metals Chemical Properties of Metals
  • Reaction Metals with Air, Water, Acids and with Solutions of other Metal Salts The Reactivity Series How do Metals and Non-Metals React?
  • Properties of Ionic Compounds Occurence of Metals
  • Extraction of metals low in reactivity series,Middle of the reactivity series and Enrichment of Ores Corrosion
  • Prevention of Corrosion
  • Bonding in Carbon- The Covalent bond
  • Versatile Nature of Carbon
  • Saturated and Unsaturated Carbon Compounds Chains, Branches and Rings Will you be my Friend? Homologous Series Nomenclature of Carbon Compounds Chemical Properties of Carbon Compounds
  • Combustion Oxidation Addition Reaction Substitution Reaction Some Important Carbon Compounds Ethanol and Ethanoic Acid
  • Properties of Ethanol and Ethanoic acid Soaps and Detergents
  • Making Order out of Chaos Early Attempts at the Classification of Elements
  • Dobereiner's Triads Newlands' Law of Octaves Making Order out of Chaos Mendeleevs Periodic Table
  • Achievements and Limitations of Mendeleev’s Periodic Table Making Order out of Chaos – The Modern Periodic Table
  • Position of Elements in the Modern Periodic Table Trends in the Modern Periodic Table

Biology

Evidences of paleonthology

Biology

Structure and working of neurons

Biology

The Simple Reflex Arc

Topics Covered

  • What are Life Processes?
  • Nutrition
  • Autotrophic Nutrition Heterotrophic Nutrition How do Organisms obtain their Nutrition Nutrition in Human Beings Respiration
  • Respiration in Human beings Human Respiratory System Respiration in Plants Transportation
  • Transportation in Human beings Our Pump - the Heart Oxygen enters the Blood in the Lungs The Tubes - Blood Vessels Maintenance by Platelets Lymph Transportation in Plants Transport of Water Transport of Food and other Substances Excretion
  • Excretion in Human beings Excretion in Plants
  • Animals- Nervous System
  • What Happens in Reflex Actions Human Brain How are these Tissues Protected? How does the Nervous Tissue cause Action? Coordination in Plants
  • Immediate Response to Stimulus Movement Due to Growth Hormones in Animals
  • Reproduction
  • The Importance of Variation Modes of Reproduction used by Single Organisms
  • Fission Fragmentation Regeneration Budding Vegetative Propagation Spore Formation Sexual Reproduction
  • Why the Sexual Mode of Reproduction? Sexual Reproduction in Flowering Plants Reproduction in Human Beings Male Reproductive System Female Reproductive System What happens when the Egg is not Fertilised Reproductive Health
  • Accumulation of Variation during Reproduction
  • Heredity
  • Inherited traits Rules for the inheritance of Traits ? Mendels contribut How do these Traits get Expressed? Sex Determination Evolution
  • Acquired and Inherited Traits Speciation
  • Evolution and Classification
  • Tracing Evolutionary Relationships Fossils Evolution by Stages Evolution should not be Equated with PROGRESS
  • Human Evolution
  • What Happens when We add Our Waste to the Environment?
  • Eco System and its Components
  • Food Chains and Webs How do Our Activities Affect the Environment?
  • Ozone Layer and how it is getting Depleted Managing the Garbage we Produce
  • Why do We need to Manage Our Resources?
  • Forests and Wild Life
  • Stakeholders Sustainable Management Water for All
  • Dams Water Harvesting Coal and Petroleum
  • An Overview of Natural Resource Management
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