no difference betweent these two boards.
A chalkboard is a piece of slate on which to write with chalk and is named after the color "black".
A chalkboard is black when clean and dirty when written on with white chalk.
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.
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.
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.
The word for chalk is "craie" and a chalkboard is "tableau noir" (blackboard).
A chalkboard/blackboard
Blackboard
Tableaus means blackboard or chalkboard, honey.
A blackboard seems to fit.
It means "chalkboard" (traditionally a blackboard).
a chalkboard
If you mean pizarra, that means "blackboard" or "chalkboard" in English.
A chalkboard ~_~
A chalkboard is a piece of slate on which to write with chalk and is named after the color "black".
Slate
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.