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Classwork Series and Exercises {Chemistry – SS1}: Law Of Chemical Combination

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Chemistry SS1 Week 4 Topic: Law of Chemical Combination Introduction Compounds are formed by chemical combination of reactants (atoms or molecules) which may be solid, liquid or gaseous. Chemical combination occurs in definite proportion by weight or by volume. Based on various experiments performed by different scientists, the laws of chemical combinations were formulated. These

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Classwork Series and Exercises { Basic Science – JSS2}: Circulatory System

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Basic Science JSS 2 Week 3 Topic: Circulatory System Introduction Higher organisms e.g. man, require blood to carry materials to and from different parts of their body. There is need for organisms to transport oxygen from the lungs to other living cells within the organisms and also, dissolved food materials absorbed in the villi to

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Classwork Series and Exercises {Biology – SS1}: Food Production and Storage

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Biology, SS 1, Week: 4 Topic: Food Production and Storage Introduction The various effective farm practices like mechanized farming, crop rotation, mixed farming, coupled with other factors such as government funding, ability to store and process agricultural products, carrying out of researches, adequate rainfall, pest and disease control, soil texture, soil pH, soil fertility, temperature,

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Classwork Series and Exercises {Basic Technology – JSS2}: Energy Based Technological Appliances

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JSS 2  BASIC TECH Topic: ENERGY BASED TECHNOLOGICAL APPLIANCES Introduction We shall discuss the following: 1. Operation of a pressing iron, Operation of an electric kettle , operation of cookers, water heaters, gas lamp, gas cooker, kerosene cooker and charcoal pressing iron 2. Principles of evaporation leading to cooling by refrigeration 3. Operation of a

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Classwork Series and Exercises {Government – SS2}: The Interdependence Of Nations

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Government, SS 2, Week 3 Topic: The Interdependence of Nations Contents: Meaning of Interdependence The interdependence of nation Types of Inter- dependencies Meaning of Interdependence Interdependence is the mutual reliance between two or more groups. In relationships, interdependence is the degree to which members of the group are mutually dependent on the others. This concept

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Classwork Series and Exercises {Mathematics – JSS3}: Geometrical Construction

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JSS 3 Mathematics  Week 4 Topic: GEOMETRICAL CONSTRUCTION Using ruler and compasses Remember the following when making geometrical constructions. 1. Use a hard pencil with a sharp point. This gives thin lines which are more accurate. 2. Check that your ruler has good straight edge. A damaged ruler is useless for construction work. 3. Check

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Classwork Series and Exercises {Basic Science – JSS3}: Metabolism In Human Body

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Basic Science JSS3 Topic: Metabolism in the Human Body Introduction Metabolism is described has the chemical reaction in the body. Metabolism (from Greek: metabolē, “change”) is the set of life-sustaining chemical transformations within the cells of living organisms. These enzyme-catalyzed reactions allow organisms to grow and reproduce, maintain their structures, and respond to their environments.

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Classwork Series and Exercises {Agricultural Science – JSS2}: Soil Composition

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Agricultural Science JSS 2, Week: 1 Topic: Soil, Its Physical Composition and Properties Soil can be defined as the uppermost layer of the earth where agricultural activities are carried out. The top layer of the earth’s surface, consisting of rock and mineral particles mixed with organic matter. Soil Components The soil is made up of the following

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