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June 14, 2017

SS1 Mathematics Third Term: Collection, Tabulation and Presentation of Grouped Data

Collection, Tabulation and Presentation of Grouped Data In some investigations you may collect an awful lot of information. How can you use this raw data and make it meaningful? This section will help you to collect, organise and interpret the data efficiently. Explaining your results Imagine that you are asked to carry out a survey […]

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JSS2 Basic Science Third Term: Physical And Chemical Change

Introduction There are two types of changes in nature. These are: Physical change Chemical change Physical change is a change in which the substance changes form but keeps its same chemical composition (reversible). In other words, Physical Change is one that is temporary and can easily be reversed. In this case, no new substance is

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JSS2 Home Economics Third Term: Immunisation

What is Immunisation? Immunization prevents children against diseases. This is the process by which an individual’s immune system becomes fortified against disease causing agents (known as the immunogen). Immunization is done through various techniques, most commonly vaccination. Vaccines against microorganisms that cause diseases can prepare the body’s immune system, thus helping to fight or prevent an

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JSS2 Civic Education Third Term: Living in Peace and Harmony With Neighbours and Peers

What does it mean to live in peace with others? Living in peace is a way of life in which we respect and love each other in spite of our cultural, religious, and political differences. Inwardly, we all need to search our hearts and minds and understand the fear that causes violence and decide to

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JSS2 English Language Third Term: Synonyms/Antonyms and Literature: Drama

What Are Synonyms? (with Examples) A synonym is a word or phrase that can be substituted for another word or phrase in a particular context. A synonym is a word that means the same thing as another word. If you replace a word in a sentence with its synonym, the meaning of the sentence won’t

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JSS2 Basic Science Third Term – Hydrogen And Oxygen

Basic Science JSS 2, Third Term, Week 7 Topic: Hydrogen and Oxygen Hydrogen Hydrogen exists in the combined state in water, acids, carbohydrates, and hydrocarbons etc. Hydrogen is found free only in very small amount in the atmosphere, recent studies show that large amounts are present in the sun and star. Hydrogen makes certain part

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SS2 Chemistry Third Term: Saturated Hydrocarbons- Alkanes

Saturated Hydrocarbons – Alkanes The alkanes are aliphatic hydrocarbons. They form a homologous series of saturated hydrocarbons which can be represented by the general molecular formula CnH2n+2. In each alkane number, all the carbon atoms are tetrahedrally bonded to the hydrogen and other carbon atoms. These hydrocarbons  contain only C-C single bonds in their molecules

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