EDUCATION UGC NET
BASIC FACT ABOUT EDUCATION SYSTEMS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Show schematic diagrams
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Improvement of a paragraph
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Making reports based on information
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Summary of relationships between facts
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Detailed explanation-1: -A blackboard (also known as a chalkboard) is a reusable writing surface on which text or drawings are made with sticks of calcium sulphate or calcium carbonate, known, when used for this purpose, as chalk. Blackboards were originally made of smooth, thin sheets of black or dark grey slate stone.
Detailed explanation-2: -It has two purposes: (i) When the teacher wants to keep some material on the blackboard for a relatively longer time, and (ii) When some content-matter is to be concealed at the time of examination from students; this type of board is used. ADVERTISEMENTS: Such a board can also be moved up or down as and when required.
Detailed explanation-3: -Chalkboard/ blackboard. It is very helpful for explaining and giving note to the students. This is one type of visual A-V aid. Blackboard provides a convenient surface, where is write the information or data. It is convey the massage in a visual manner.
Detailed explanation-4: -The visual communication of the chalkboard directs attention of the class to the purposes of the lecture or discussion. Through chalkboard, the students can improve or develop their thinking ability and visualize their own ideas.