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Earth Sciences: Understanding the Types of Soil 150 150 SchoolTutoring Academy

Earth Sciences: Understanding the Types of Soil

Soil is a thin layer of material on the Earth’s surface on which living beings survive and plants have their roots. It is made up of many things, such as weathered rock and decayed plant and animal matter. Soil is formed over a long period of time. Depending on the size of particles in the…

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Understanding Pollination in Flowers 150 150 SchoolTutoring Academy

Understanding Pollination in Flowers

Pollination is a very important process in flowers. It is the process by which pollens is transferred in the reproduction of plants, thereby enabling fertilization and reproduction. Flowers have different parts. The male part is stamen that produces a sticky powder called pollen. The female part is called the pistil which has the sticky top…

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Understanding the Greenhouse Effect 150 150 SchoolTutoring Academy

Understanding the Greenhouse Effect

Life on earth depends on sunlight. A part of the sun’s energy is deflected by the outer atmosphere and scattered back into space. The rest reaches the earth’s surface and is reflected upward again as infrared radiation. The heat caused by infrared radiation is absorbed by greenhouse gases: water vapour, carbon dioxide, ozone and methane,…

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Proportionality: Direct and Inverse 150 150 SchoolTutoring Academy

Proportionality: Direct and Inverse

Two quantities are said to be proportional if their ratio is constant. In other words, the two quantities are proportional if one of them is always the product of the other and a constant quantity called coefficient of proportionality or proportionality constant. The symbol  is used to show that two quantities are proportional. Direct Proportionality…

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Understanding Types of Sentences by Purpose 150 150 SchoolTutoring Academy

Understanding Types of Sentences by Purpose

A sentence is a group of word that makes complete sense and tells a complete thought. A sentence always tells “who” or “what” and “what is” or “what happens”. Example: Friend tammy my friend is. – makes no sense, therefore it is not a sentence. Tammy is my friend. – makes complete sense, therefore it…

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Physics Review: Force and Their Types 150 150 SchoolTutoring Academy

Physics Review: Force and Their Types

Force may be defined as push or pull. In physics, a force is any influence that causes or tends to cause an object to undergo a change in state of motion, a change in direction, or a change in shape. Force can change the velocity, bring the object at rest in motion or stop the…

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Understanding Pronouns and Their Types 150 150 SchoolTutoring Academy

Understanding Pronouns and Their Types

A pronoun is a word which is used in place on noun or nouns. The replaced noun is called the antecedent of the pronoun. Pronoun is used very often to avoid repetition of noun. She, he, they, I, him, her, them, us, we are common pronouns. Example: In place of: Genelia makes good cakes. She…

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English Grammar Review: Subject of a Sentence 150 150 SchoolTutoring Academy

English Grammar Review: Subject of a Sentence

Every complete sentence contains a subject. A subject is a word or phrase is a sentence that indicates the doer of action, the receiver of action in passive form, or which is described or identified in the sentence. The subject of a sentence can be a person, place, thing or an idea. To find the…

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How to Do a Box-and-Whisker Plot 150 150 SchoolTutoring Academy

How to Do a Box-and-Whisker Plot

In statistics, various measures are used to describe data set without listing all the data. Measures of spread are given by range, variation and standard deviation. Description of shapes are given like skewed, symmetric, unimodal and bimodal.  We have measures of locations like mean and median. A set of five measures of location give us…

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Understanding Quartiles, Median and Interquartile Range 150 150 SchoolTutoring Academy

Understanding Quartiles, Median and Interquartile Range

In statistics, quartiles are three points that divide the data set into four equal groups. Each group represents the one-fourth of the data set. First quartile (Q1), also known as lower quartile, splits the lower 25% of data. It is the middle value of lower half. Second quartile (Q2) which is more commonly known as…

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