porcelain enamel ---- Originally, chalkboards were made from slate, a naturally occurring material. Nowadays, any surface can be made into a chalkboard (like a child's bedroom wall or a kitchen cabinet door for grocery lists) by applying a type of paint specifically formulated for that purpose.
The chalkboard was ivented in 1820
Yes, chalkboard is a compound word.
I think that a chalkboard is 60 centimeters long
2milliters
A chalkboard, typically a flat rectangular surface, has four vertices, which are the corners of the rectangle. If the chalkboard is in a different shape, such as circular or oval, it would not have vertices at all. Thus, the number of vertices depends on the shape of the chalkboard.
Porcelain enamel now, but used to be chalkboards were made from slate.
what are the characteristics of a chalkboard
The chalkboard was ivented in 1820
The plural form of chalkboard is chalkboards.
Slate is a common metamorphic rock that can be made into a chalkboard due to its ability to easily break into thin sheets and its smooth texture that allows for writing on with chalk.
Yes, chalkboard is a compound word.
Chalkboard - typeface - was created in 2003.
Yes, I can write on the chalkboard for the class.
if you want to have a chalkboard wall, then go to the paint store and ask for some chalkboard paint. apply 6 or 7 coats. I have a chalkboard wall and everyone loves it.
Chalkboards are typically written on with chalk, which is made from calcium sulfate mineral known as gypsum. This material leaves a distinctive mark on the slate surface of the chalkboard.
the outer part is made out of a type of plastic and the outer part the wipes the chalk off is a cloth
A chalkboard is typically made of a smooth, dark-colored surface that is coated with a layer of chalk-friendly material, such as slate or porcelain. It is different from a whiteboard, which is made of a glossy, white surface that can be written on with dry-erase markers and easily erased with a cloth or eraser.