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The problem likely lies with the chalk itself. A lot of chalk you buy today, especially cheap chalk, is too hard to use on chalkboards with any kind of good result. Try a different brand of chalk, one that is softer.

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10y ago

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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 do you write with on a blackboard 5 letters?

Chalk


Which of the following is normally used to write on a blackboard?

Chalk


Why is it possible to write on a blackboard with chalk?

Chalk is made of calcium carbonate, a soft mineral that leaves a visible mark when drawn on a rough surface like a blackboard. When drawn on the blackboard, chalk particles rub off and stick to the surface due to friction, creating a visible line.


Why it is possible to write on rough black board?

It is easy to write on a rough blackboard. The friction between the chalk and the rough surface is what allows the chalk to leave behind the chalk dust that we see. Actually it would impossible to write on a theoretically smooth blackboard. Without the friction, the chalk would not leave any residue!


What are the uses of blackboard?

To write and draw with chalk for educational, personal, entertainment, or commercial uses.


Explain Why blackboards are not scratched by chalk but by the sand embedded in the chalk?

Blackboards are typically made of a material that is softer than chalk, such as slate or porcelain. When you write on a blackboard with chalk, the friction between the chalk and the board causes the chalk to wear down and leave behind tiny particles of sand or abrasive material embedded in the chalk. These abrasive particles then scratch the surface of the blackboard as you write, creating marks that can be difficult to erase.


Why can you use chalk to write on the blackboard but not granite?

Chalk is softer than the slate (real or artificial) used on blackboards, so it will flake off as you write. Granite is harder than slate and will not flake, but rather cut into or mark the slate permanently.


What is blackboard chalk made from?

Well you see, as the chalk rubs against the blackboard bits of it get left behind, showing you what your teacher thinks your cursive should look like, or a new trick when dividing big numbers.


What is the difference between a chalkboard and a blackboard?

There is no difference between a chalkboard and a blackboard; they are two different terms used interchangeably to refer to a smooth, dark surface on which you can write with chalk.


What is the two ways to say chalk in spanish?

Assuming you mean chalk, as in what you write with on a blackboard, then the two ways are "la tiza" and "el gis." El gis is used in Mexico.


What words did M.Hamel write on the blackboard before dismissing the last class?

M.Hamel wrote "Vive la France!" on the blackboard before dismissing the last class.