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Mathematics

Angle Sum Property

Mathematics

Example related to Principal and Simple Interest

Mathematics

Surface Area of Cylinder

Topics Covered

  • Introduction
  • Properties of Rational Numbers
  • Representation of Rational Numbers on the Number Line
  • Rational Numbers between Two Rational Numbers
  • Summary
  • Introduction
  • Solving Equations which have Linear Expressions on one Side
  • Some Applications
  • Solving Equations having the Variable on both Sides
  • Some More Applications
  • Reducing Equations to Simpler Form
  • Summary
  • Introduction
  • Polygons
  • Classification of polygons
  • Diagonals
  • Regular and irregular polygons
  • Angle sum property
  • Kinds of Quadrilaterals
  • Trapezium
  • Kite
  • Parallelogram
  • Diagonals of a parallelogram
  • Some Special Parallelograms
  • Rhombus
  • A rectangle
  • A square
  • Introduction
  • Constructing a Quadrilateral
  • When the Lengths of Four Sides and a Diagonal are given
  • When Two Diagonals and Three Sides are given
  • When Two Adjacent sides and Three Angles are known
  • When three sides and two included angles are given
  • Some Special Cases
  • Summary
  • Looking for Information
  • Organising Data
  • Grouping Data
  • Bars with a difference Circle Graph or Pie Chart
  • Chance and Probability
  • Summary
  • Introduction
  • Finding the Square of a Number
  • Square Roots
  • Finding square roots Finding square root through repeated subtraction
  • Finding square root through prime factorisation
  • Finding square root by division method
  • Summary
  • Introduction
  • Cubes
  • Smallest multiple that is a perfect cube
  • Cube Roots
  • Cube root through prime factorisation method
  • Summary
  • Recalling Ratios and Percentages
  • Finding the Increase or Decrease Per cent
  • Finding Discounts
  • Prices Related to Buying and Selling (Profit and Loss)
  • Finding cost price/selling price, profit percentage/loss percentage Sales Tax/Value Added Tax
  • Compound Interest
  • Rate Compounded Annually or Half Yearly(Semi Annually)
  • Summary
  • Introduction
  • What are Expressions
  • Terms, Factors and Coefficients
  • Monomials, Binomials and Polynomials
  • Like and Unlike Terms
  • Addition and Substraction of Algebraic Expressions
  • Multiplying a Monomial by a Polynomial
  • Multiplying a monomial by a Binomial Multiplying a Polynomial by a Polynomial
  • Multiplying a binomial by a Trinomial
  • What is an Identity
  • Standard Identities
  • Applying Identities
  • Summary
  • Introduction
  • Introduction
  • Views of 3D-Shapes
  • Mapping Space Around Us
  • Faces, Edges and Vertices
  • Summary
  • Introduction
  • Let us Recall
  • Area of Trapezium
  • Area of a General Quadrilateral
  • Solid Shapes
  • Surface Area of Cube, Cuboid and Cylinder
  • Volume of Cube, Cuboid and Cylinder
  • Volume and Capacity
  • Summary
  • Introduction
  • Powers with Negative Exponents
  • Laws of Exponents
  • Use of Exponents to Express Small Numbers in Standard Fo
  • Comparing very large and very small numbers
  • Introduction
  • Direct Proportion
  • Inverse Proportion
  • Summary
  • Introduction
  • What is Factorisation?
  • Method of common factors Factorisation by regrouping terms Factorisation using Identities Factors of the form ( x + a) ( x + b Division of Algebraic Expressions
  • Division of a Polynomial by a Monomial Division of Algebraic Expressions continued(Polynomial
  • Summary
  • Introduction
  • A Bar Graph A Pie Graph (or a circle-graph) A Line Graph Linear Graphs
  • Coordinates Some Applications
  • Summary
  • Introduction
  • Numbers in General Form
  • Games with Numbers
  • Letters for Digits
  • Tests of Divisibility
  • Summary

Physics

Laws of reflection

Physics

Sound propagation requires material medium

Physics

Structure of human ear

Topics Covered

  • Force – A Push or a Pull
  • Forces are due to an Interaction
  • Exploring Forces
  • A Force can Change the State of Motion
  • Force can Change the Shape of an Object
  • Contact Forces
  • Muscular Force Friction Non-contact Forces
  • Pressure
  • Pressure exerted by Liquids and Gases
  • Atmospheric Pressure
  • Force of Friction
  • Factors affecting Friction
  • Friction : A Necessary Evil
  • Increasing and Reducing Friction
  • Wheels Reduce Friction
  • Fluid Friction
  • Sound is Produced by a Vibrating Body
  • Sound Produced by Humans
  • Sound Needs a Medium for Propagation
  • We hear Sound through Our Ears
  • Amplitude, Time Period And Frequency Of a Vibration
  • Audible and Inaudible Sounds
  • Noise and Music
  • Noise Pollution
  • Do Liquids Conduct Electricity?
  • Chemical Effects of Electric Current
  • Electroplating
  • Lightning
  • Charging by rubbing
  • Types of Charges and their Interaction
  • Lightning Safety
  • Lightning Conductors Earthquakes
  • What makes Things Visible
  • Laws of Reflection
  • Regular and Diffused Reflection
  • Multiple Images
  • Sunlight and White or Coloured
  • What is inside Our Eyes?
  • Care of Eyes
  • What is a Braille System?
  • The Moon
  • The Moons Surface The Stars
  • Constellations
  • The Solar System
  • The Planets The Sun Mercury (Budh) Venus (Shukra) The Earth Mars (Mangal) Jupiter (Brihaspati) Saturn (Shani) Uranus Neptune Some other members of Solar system
  • Asteroids Comets Meteors and Meteorites Artificial Satellites

Chemistry

Combustion

Chemistry

Effect of pollution on human beings

Chemistry

Water - A wonder liquid

Topics Covered

  • What are Synthetic Fibres?
  • Types of Synthetic Fibres
  • Rayon Nylon Polyester Acrylic Characteristics of Synthetic Fibres
  • Plastics, Plastics as Materials of Choice
  • Plastics and the Environment
  • Physical Properties of Metals and Non-metals
  • Chemical Properties of Metals and Non-metals
  • Reaction with Oxygen Reaction with Water Reactions with Acids Reactions with Bases Displacement Reactions Uses of Metals and Nonmetals
  • Coal
  • Story of Coal Coke Coal tar Coal gas Petroleum and refining of petroleum
  • Natural Gas
  • Some Natural Resources are Limited
  • What is Combustion?
  • How do We Control Fire?
  • Types of Combustion
  • Flame
  • Structure of a Flame
  • What is a Fuel?
  • Burning of Fuels Leads to Harmful Products Fuel Efficiency
  • Air Pollution
  • How does Air Get Polluted?
  • Case study :The Taj Mahal
  • Greenhouse Effect
  • What can be Done?
  • Water Pollution
  • How does Water Get Polluted?
  • What is Potable Water and How is Water Purified ?

Biology

Activity to show a plant cell

Biology

Nitrogen cycle

Biology

Protection of crops

Topics Covered

  • Agricultural Practices
  • Kharif Crops and Rabi crops Basic Practices of Crop Production
  • Preparation of Soil
  • Sowing
  • Adding Manure and Fertilisers
  • Irrigation
  • Protection from Weeds
  • Harvesting
  • Storage
  • Food from Animals
  • Microorganisms
  • Where do Microorganisms Live?
  • Microorganisms and Us- Commercial and medicinal use
  • vaccine Harmful Microorganisms
  • Food Poisoning Food Preservation
  • Nitrogen Fixation
  • Nitrogen cycle
  • Deforestation and Its Causes
  • Consequences of Deforestation
  • Conservation of Forest and Wildlife
  • Biosphere Reserve
  • Flora and Fauna
  • Endemic Species
  • Wildlife Sanctuary
  • National Park
  • Red Data Book
  • Migration
  • Reforestation and Recycling of Paper
  • Discovery of the Cell
  • The Cell
  • Organisms show Variety in Cell Number, Shape and Size
  • Cell Structure and Function
  • Parts of the Cell
  • Cell Membrane Cytoplasm Nucleus Comparison of Plant and Animal Cells
  • Modes of Reproduction
  • Sexual Reproduction
  • Male Reproductive Organs Female Reproductive Organs Fertilization Development of Embryo Viviparous and Oviparous Animals Young Ones to Adults Asexual Reproduction
  • Adolescence and Puberty
  • Changes at Puberty
  • Increase in Height Change in Body Shape Voice Change Increased Activity of Sweat and Sebaceous Glands Development of Sex Organs Reaching Mental, Intellectual and Emotional Maturity Secondary Sexual Characters
  • Role of Hormones in Initiating Reproductive Function
  • Reproductive Phase of Life in Humans
  • How is the Sex of the Baby determined?
  • Hormones other than Sex Hormones
  • Role of Hormones in completing the Life History of Insec
  • Reproductive Health
  • Nutritional Needs of the Adolescents Personal Hygiene Physical exercise Say NO to Drugs
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