Mean, Median, Mode & Range

The terms mean, median and mode are used to describe the central tendency of a large data set. Range provides provides context for the mean, median and mode. Mean: It is the average of all the values of a dataset. Significance: While buying a car you are not interested in the no. of Kilometers car […]

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Personality & its tests

The term personality has been derived from the Latin word persona which means a mask. It was used by actors to hide themselves and to act without being noticed by the audience. The following are just a few of the definitions that have been put forth by some different psychologists:  “That which permits a prediction […]

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Theories of Intelligence

Concept of Intelligence and Its Nature & Functions Theories of Intelligence Measurement of Intelligence & Types of Intelligence Test Concept of Intelligence Quotient Theories of Intelligence Various psychologists have tried to explain the concept of human intelligence and presented various theories which have improved our understanding of intelligence. Some of the major theories of intelligence […]

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Gardener’s theory of multiple intelligence

The theory of multiple intelligence was developed in 1983 by Dr. Howard Gardner, professor of education at Harvard University. It suggests that the traditional notion of intelligence, based on I.Q. testing, is far too limited. Instead, Dr. Gardner proposes eight different intelligence to account for a broader range of human potential in children and adults. […]

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Food Chain and Food Web

A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another. In a food chain, each organism occupies a different trophic level, defined by how many energy transfers separate it from the basic input of the chain. At the base of the food chain lie the primary producers. The primary […]

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Principles of Language Teaching

All language learning involves the processes of listening, speaking, reading and writing. Language learning is based on following well-defined principles. Language Patterns as Habits Language learning is a habit formation process. It is a process during which various language habits are formed. Therefore, listening, speaking, reading and writing habits are to be formed consciously and […]

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Atmosphere of Earth

The atmosphere of Earth is the layer of gases, commonly known as air, that surrounds the planet Earth and is retained by Earth’s gravity. How many atmospheres does the earth have? Earth’s atmosphere is divided into five main layers: the exosphere, the thermosphere, the mesosphere, the stratosphere and the troposphere. Layer Altitude Range (Km) Temperature […]

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Mensuration Formulas

Mensuration is the branch of mathematics which deals with the study of Geometric shapes, their area, volume and related parameters. Some important mensuration formulas in one poster: Download

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Concept of Intelligence Quotient

Concept of Intelligence and Its Nature & Functions Theories of Intelligence Measurement of Intelligence & Types of Intelligence Test Concept of Intelligence Quotient Concept of Intelligence Quotient Intelligence Quotient (IQ) is a number indicating your inherent ability to learn instead of simply the knowledge you already have. If you have a high IQ, it means […]

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Number System: Classification

Following are the classifications of numbers. Natural Numbers The natural (or counting) numbers are 1,2,3,4,5, etc. There are infinitely many natural numbers. The set of natural numbers, {1,2,3,4,5,…}, is sometimes written as N. Whole Numbers The whole numbers are the natural numbers together with 0. Integers The integers are the set of real numbers consisting […]

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