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What is a piece of slate on which to write on with chalk named after a color?
A chalkboard is a piece of slate on which to write with chalk and is named after the color "black".
What is black when its clean and dirty when white?
A chalkboard is black when clean and dirty when written on with white chalk.
What do you call the stick hold by a teacher pointing on a blackboard?
It is called a pointer, either a blackboard pointer or a chalkboard pointer depending on what board it was being used at the time. An Amazon search under chalkboard pointer can give you a decent selection for purchase.
Why the blackboard called a blackboard if the color of the board is green?
Originally they were made of thin sheets of a type of rock known as slate- which is very dark gray (black) in color. Later they used a man manmade material that was lighter and cheaper, and changed the color to green- better visibility. But we still use the old name.
Does chalk on a blackboard have an electrostatic charge?
Yes, chalk on a blackboard can acquire an electrostatic charge when written or moved on the surface, due to friction between the chalk and the board. This charge can attract or repel other objects nearby.
How do you spell chalk and chalkboard in french?
The word for chalk is "craie" and a chalkboard is "tableau noir" (blackboard).
What gets whiter the dertier it gets?
A chalkboard/blackboard
What is clean when black and dirty when white?
Blackboard
What does tableau mean?
Tableaus means blackboard or chalkboard, honey.
What is white when it's dirty and black it's clean?
A blackboard seems to fit.
What does una pizarra mean in spanish?
It means "chalkboard" (traditionally a blackboard).
What get whiter when it gets dirty?
a chalkboard
How do you say pizzara in english?
If you mean pizarra, that means "blackboard" or "chalkboard" in English.
What is black when it's clean and white when its dirty?
A chalkboard ~_~
What is a piece of slate on which to write on with chalk named after a color?
A chalkboard is a piece of slate on which to write with chalk and is named after the color "black".
A hard tablet used for writing on with chalk is called?
Slate
What was the inventor of the blackboard like?
The guys name is James Pillans. He invented this piece in 1801 and called it the blackboard. In the 1930s the name "chalkboard" was introduced. The blackboard is mostly for teaching. It has different variaties of colers,such as black,green,and brown.
