In this page you can discover 15 synonyms, antonyms, idiomatic expressions, and related words for blackboard, like: wall-slate, slate, greenboard, board, chalkboard, Learnwise, webct, vle, TopClass, whiteboard and WebBoard.
What is another word for wallboard?gypsum boarddrywallgyp boardplasterboardSheetrock
blackboard used as a noun: A large flat surface, finished with black slate or a similar material, that can be written upon with chalk and subsequently erased; a chalkboard.
slate stoneBlackboards were originally made of smooth, thin sheets of black or dark grey slate stone.
There are 17 different question types available in Blackboard.
blackboard (n.) "board painted black and written on in chalk," especially as used in schoolrooms, 1823, from black + board (n. 1).
chalkboard in British English (ˈtʃɔːkˌbɔːd ) noun. US and Canadian. a hard or rigid surface made of a smooth usually dark substance, used for writing or drawing on with chalk, esp in teaching.
Then the “greenboard” was introduced, which was a steel plate coated with a porcelain-based enamel. This was considered to be an improvement because chalk powder didn't show as well when erased and the green color was considered to be more pleasing and easier on the eyes than black.May 20, 2020
Types of chalk boardPresented by: Mr. Manjunath. Beth Associate professor & HOD OF MSN DEPARTMENT.TYPES OF CHALK BOARD.ORDINARY CHALK BOARD.ROLLER CHALK BOARD.MAGNETIC BOARD.BLACK CERAMIC UNBREKABLE BOARD.BLACK/GREEN GLASS CHALK BOARD.LOBBY STAND BOARD.More items...
Blackboard chalk originally contained Calcium carbonate typically bound with kaolin clay, Oleic acid, and Sodium hydroxide. A wide variety of formulations are now used, most of which are made from calcium sulfate hemihydrate (Plaster of Paris), which reacts with water to form Gypsum.