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SS1 Biology Second Term: Concept Of Culturing

Concept Of Culturing Culturing simply involves the techniques of growing micro-organisms in special media in the laboratory. It involves the making of sterile medium, inoculating, incubating and examining micro-organisms. By this means, micro-organism characteristics such as colour, pattern of growth and appearance can be seen. Culture of micro-organisms can be grown from water, air, animals, [...]

SS1 Computer Science First Term: History of Computer

History of Computer The development of the first counting device has been dated to ancient times, a man called abacus used a counting device about 3000 years ago and from this time and man has continued to improve. Ancient methods of counting were through the use of fingers, stones, sticks and grains. The history of computer [...]

SS1 Chemistry Third Term: Salts

Introduction A salt is an ionic compound formed when the hydrogen of an acid is partly or completely replaced by a metal ion or ammonium ion. All salts are chemically and electrically neutral. Example: Diagram above shows that when the hydrogen ion in nitric acid is replaced by Na+, Ca2+, NH4+ or Al3+ ions, salts are formed. [...]

SS2 Economics Third Term: Capital Market

What is a Capital Market? A capital market is any financial market in which long-term debts and equity-backed securities are traded (i.e., bought and sold). These securities are typically  Capital markets are defined as markets in which money is provided for periods longer than a year.Capital markets channel the wealth of savers to those who can put such wealth [...]

SS2 CRK Third Term: True Religion (Amos 5:21-31)

Introduction Apart from social justice that had been corrupted , the religion of the Israelites was no longer practiced as they had deviated from observing the covenant made with God. Their hearts were not truly with God, they only pretended by fulfilling the physical obligations of worship such as payment of tithes and offering sacrifices [...]

SS1 Agricultural Science Third Term: Anatomy and Physiology of Farm Animals

Anatomy and Physiology Anatomy refers to the form and structure of the body while physiology refers to the functions of the forms and parts of the body. Some of the systems which maintain the body include, circulatory system, reproductive, respiratory, nervous and digestive system. Circulatory System This system involves all the organs and tissues which [...]

SS2 Commerce Tird Term: Stock Exchange

Topic: Stock Exchange Content: Meaning of Stock Exchange Importance of Stock Exchange Functions of Stock Exchange Organizational Set-Up  Meaning of securities  Types of securities  Factors affecting prices of securities  Speculators at the stock exchange. Stock Exchange: This is a specialized market for the buying and selling of securities, these securities are shares, stock, bonds, debentures, etc; [...]

JSS2 Agricultural Science Third Term: Storage of Farm Produce

Introduction After harvesting, farm products are subject to attack by insect pests and micro-organisms if they are not properly kept. To reduce the incidence of pests and to avoid spoilage, agricultural products are kept in special places either for long or short periods depending on when they are sent to the market or used as [...]

SS2 Chemistry Third Term: Mass and Volume Relationships

Mass and Volume Mass is the amount of ‘stuff’ inside an object; the more stuff there is, the more mass. Matter is made up of atoms and molecules, and the more of them we have, the greater the mass of an object is. We measure mass in units like kilograms, ounces, and pounds. In science, [...]

SS1 Chemistry Third Term: Bases and Alkalis

Introduction Bases are substances that, in aqueous solution, are slippery to the touch, taste bitter, change the colour of indicators (e.g., turn red litmus paper blue), react with acids to form salts, and promote certain chemical reactions (base catalysis). Bases are usually metallic oxides or metallic hydroxides. Bases that are soluble in water are called alkalis.   [...]

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