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Why does the blackboard color look or appear black?
The color black is absorbed by the surface of the blackboard, making it appear black. The dark surface also helps to provide high contrast with white chalk, making writing and drawings more visible.
How can a Black board in a room stays at the same temperature as rest of the room?
A blackboard can stay at the same temperature as the rest of the room through a process called thermal equilibrium. When the blackboard is exposed to the room temperature, it absorbs heat energy from its surroundings. As it absorbs heat, it reaches the same temperature as the room through conduction, where heat is transferred through direct contact with the surrounding air. This equilibrium ensures that the blackboard does not feel significantly warmer or cooler than the room itself.
Is a blackboard opaque?
Yes, a blackboard is opaque because it does not allow light to pass through it. This characteristic makes it suitable for writing or drawing with chalk.
Why does blackboard seem black?
Blackboards appear black because they are coated with a layer of dark material, usually either black paint or a dark-colored laminate. This coating creates high contrast when drawing or writing with chalk, making it easier to see the markings.
Why is the blackboard a solid?
Because solids work better than a liquids for the purpose of displaying information vertically. The molecules of the blackboard are rather tightly bound to each other and stay that way under the temperature and pressures that the blackboard usually encounters.
What is white when it's dirty and black it's clean?
A blackboard seems to fit.
What is Black when it is clean white when it is clean?
A blackboard seems to fit.
What is black when it's clean and white when its dirty?
A chalkboard ~_~
What is clean when black and dirty when white?
Blackboard
How can you describe a blackboard?
a black board
What is a compound word for black?
blacksmith
What is white when dirty and black is clean?
A blackboard
What black when its clean but white when dirty?
Blackboard
When to use blackboard in a sentence?
i wrote on a black bored
iam white when I am dirty, and black when I am clean. What am I?
A blackboard.
Which software is blackboard?
Additional Information on Black Board software
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".
