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The amazing process of Photosynthesis APK
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Basic concept of Decimal APK
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Ascending order and descending order Video
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Place and Place Value: Illustration - 1
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Place and Place Value: Illustration - 2
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Place and Place Value: Example
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Place, Place Value and Expanded Form of a Four digit number
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Calculation in ten thousand
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Counting in Thousands
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Approximation upto ten thousand
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Understanding numbers upto one lakh
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Reading and writing numbers in lakhs
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Reading and writing numbers in ten lakhs
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Expanded Form of a Four Digit Number
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Place Value of Numbers: Example
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Reading of Numbers
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Place Value: Example
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Rounding off Numbers
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Addition of Numbers upto Four Digits
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Addition of numbers upto six digits
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Subtraction of numbers upto six digits
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Division of a four digit number by a two-digit number
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Rules for Resolving Brackets
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Solving Brackets: Illustration
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Simple Forms of Expression Involving the Four Operations
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Properties for addition and multiplication of whole numbers
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Distributive property
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Existence of a Neutral Number
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Operations on Numbers: Illustration
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Factors of a Number
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Method of Obtaining a Factor: Example
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Method of Obtaining a Factor: Illustration
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Method of Obtaining Multiples
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Test for Divisibility by 10
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Test for Divisibility by 3
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Test for divisibility by 6
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Test for Divisibility by 4 and 8
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Test for Divisibility by 9
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Method of prime factorization
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LCM by Prime Factorization Method
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HCF by Division Method
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LCM: The Least Common Multiple
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LCM: Ladder or Division Method
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LCM by the Method of Division
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Postulate of a Plane
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Line and a Plane
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Difference Between a Line, Line-segment and a Ray
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The notion of the parallel lines and their characteristics
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Conditions for Two Distinct Lines to be parallel
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Geometrical Shapes
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Basic geometrical ideas: Introduction
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Angles in a Polygon
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Lines and Angles
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Partition of the Plane by an Angle
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Measure of an Angle: Illustration
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Lines and Angles: Illustration-2
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Interior of an Angle: Illustration
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Lines and Angles: Illustration-1
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Interior of a Triangle
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Sides and Angles of a Quadrilateral
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The relationship between radius and diameter
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Various Parts of a Circle
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To draw a Line segment
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Lines and Angles
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Measure of an angle
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To Measure an Angle
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Measure of an angle: Illustration
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Intersecting Lines
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Types of Triangles
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Geometrical Shapes Using Set-squares
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Introduction to Polygons
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Three Dimensional Shapes
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Introduction to Integers
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Negative Integers
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Representing Integers on the Number Line
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Order of Numbers
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Order relation between numbers
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Adding an integer to an integer
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Adding integers with the help of number line
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Subtraction of Integers Using the Number Line
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Subtraction of Integers with the Help of the Number Line
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Concept of Fraction
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Proper fractions
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Types of fractions
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Mixed fraction in the form p/q
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Process of Transformation
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Equivalent Fractions
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Equivalent fractions
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Reduced Form of a Fraction
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Fractions with equal and unequal denominators
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Comparison of fractions
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Ascending and Descending Order
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Addition of Fractions
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Subtraction of Fractions
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Adding fractions with unequal denominators
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Subtraction of fractions with unequal denomin
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Basic concept of Decimal
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Reading of decimal fractions
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Writing of decimal fractions
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Place value of a digit of a decimal fraction and its extende
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Decimal fraction
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Thousandth and Place-Value
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Addition of Decimal Numbers: Example 2
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Comparing decimal fractions
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Representation of a Decimal Number on the Number Line
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Addition of decimals
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Addition of Decimal Numbers: Example 1
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Addition of Decimal Numbers: Example 3
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Subtraction of decimals
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Pictograph and its Interpretation
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Introduction to Bar Graphs
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Drawing a Bar Graph
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Reading a Bar Graph
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Perimeter: Rectangle and Square
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Perimeter of a Square, Rectangle and a Triangle
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Perimeter of a Rectangle: Example
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Perimeter of a Rectangle: Illustration
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Perimeter of a Square: Illustration
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Perimeter of a Triangle: Illustration
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Perimeter of a Triangle: Illustration
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Areas of closed figures
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Area of Rectangle: Illustration
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Area of a Rectangle: Illustration
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Area of a Square: Illustration
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Introduction to Algebra
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Perimeter: Rectangle and Square
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Properties of Real Numbers: Closure and Commutative
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Properties of Real Numbers: Associative Law and Existence of
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Properties of Real Numbers: Existence of Inverse and Distrib
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Equation and its Solution
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Some idea about symmetry
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Introduction to Symmetry
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Drawing a Circle
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Constructions: Line segment & Circle
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Construction: Perpendicular Bisector of a Line segment
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Construction: Perpendicular to a Line
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To Construct Perpendicular to a Given Line through a Point o
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Perpendicular line segments from an external point to a line
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Construction: Perpendicular to a Given Line through a Point
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Constructing a line perpendicular to a given line through a
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Construction: Congruent Angle and Angles of Measure 60? and
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Construction: Angles of Measure 90? and 45?
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Construction: Angle Bisector and an Angle of 30?
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Constructions: Line segment & Circle
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Construction: Perpendicular Bisector of a Line segment
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Construction: Perpendicular to a Line
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To Construct Perpendicular to a Given Line through a Point o
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Perpendicular line segments from an external point to a line
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Construction: Perpendicular to a Given Line through a Point
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Constructing a line perpendicular to a given line through a
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Construction: Congruent Angle and Angles of Measure 60? and
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Construction: Angles of Measure 90? and 45?
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Construction: Angle Bisector and an Angle of 30?
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To construct the line parallel to a given line passing thro
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Constructing a line parallel to a given line
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Components of food
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Nutrients in food
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Importance of roughage
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Simple tests for carbohydrates, fats and proteins
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Components of food
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Proteins and Fats
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Nutrients and minerals in common food items
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Importance of roughage
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Deficiency diseases (Vitamin A, B1, C)
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Diet related disorder (Obesity)
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Story of cotton and jute
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Properties of Materials
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Matter and its Properties
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The Three States of Matter
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Floating and Sinking
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Transparent, Translucent, and Opaque Objects
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Separation of Soluble Components from a Mixture
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Separation of Solid-Liquid Mixtures
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Separation of a Liquid-Gas Mixture
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Solubility and Saturation
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Desirable and Undesirable Changes
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Changes Around Us - I
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Molecular Arrangement in Gases
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Changes Around Us - II
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Molecular Arrangement in Solids
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Physical and Chemical Changes
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Function of the parts of the plants
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Ascent of sap - Activity
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Transpiration and Guttation
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The amazing process of Photosynthesis
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Importance of root
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Difference between dicots and monocots
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Locomotion in animals
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Fixed joints and muscles
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The skeletal system
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Axial skeleton (Ribs and sternum)
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Muscles (Voluntary and Involuntary)
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What is a Habitat
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Living organisms and their environment
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Aquatic ecosystem
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Forest ecosystem
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Pond - The Underwater Ecosystem
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Adaptations of Aquatic Organisms
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Adaptations for Flight
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Measurement of growth
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Plants adapted to a desert habitat
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Desert adaptations
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Food?chain and?Food?web
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Growth in?plants?and?animals
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Gaseous exchange in animals
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Respiration in plants
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Plant movements (Tropism)
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Osmoregulation In Amoeba
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Locomotion in animals
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Measurement of Length (Part-1)
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Measurement of Length (Part-2)
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Measurement of Area
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Volume Determination of Solids
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Measurement of volume of solid objects
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Volume of an Irregular Object (Part-1)
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Volume of an Irregular Object (Part-2)
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Volume of Liquids
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Standard measuring vessels
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Measuring Cylinders
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Transparent, Translucent, and Opaque Objects
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Light and Shadow
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Pinhole Camera (An Introduction)
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Mirror and Reflection
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How do we see colours?
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Colour of Objects
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Measuring Cylinders
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Transparent, Translucent, and Opaque Objects
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Light and Shadow
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Pinhole Camera (An Introduction)
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Mirror and Reflection
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How do we see colours?
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Colour of Objects
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Electricity Around us
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Commercial Cells
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Solid State Cell
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Bulb Connected to a Cell
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Electric Circuit
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Electric Conductors and Insulators
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How Magnets Were Discovered?
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Magnetic and Non-Magnetic Materials
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Effects of magnetic poles
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Finding Directions
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Magnetic compass
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The True North-South Direction
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Make Your Own Magnet
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Attraction and Repulsion between Magnets
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Molecular Theory of Magnetism
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Transpiration and Guttation
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Waste disposal (Vermicomposting)
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Rubbish and Litter
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Improving our School Environment
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Plastic recycling
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Parts of a flower
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Ascending and Descending Order Quiz
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Ascending and Descending Order Key Term
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