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What Is a Chalkboard Made Of?
Originally made from slabs of slate, chalkboards have been an inseparable part of classroom life for many years, ever since they first began to appear in military schools in the early 1800s. Now, chalkboards are being slowly replaced by the whiteboard,... More »
Difficulty: Easy
Source: www.ehow.com

en.wikipedia.org/wiki/Blackboard

A blackboard is a reusable writing surface on which text or drawings are made with sticks of ... Green chalkboards, generally made of porcelain enamel on a steel base, first appeared in the 1960s. Magnetic blackboard used for play and ...

www.madehow.com/Volume-2/Chalkboard.html

The chalkboard is a flat, vertical writing surface on which anything can be inscribed by means of a piece of chalk. The device is generally used for educational ...

www.ebay.com/gds/How-to-Make-a-Chalkboard-Out-of-Anything-/10000000177636253/g.html

A chalkboard can be made out of any flat surface, as long as chalkboard paint is able to adhere to it. The most common material is plywood or panel board, ...

academia.stackexchange.com/questions/12578/what-makes-a-good-chalkboard

As JeffE mentioned in a comment on another answer, cheaper chalkboards are made by painting wood or chipboard with a special chalkboard ...

www.slate.com/articles/life/education/2014/10/a_history_of_the_blackboard_how_the_blackboard_became_an_effective_and_ubiquitous.html

Oct 15, 2014 ... The chalkboard-centered classroom offers more than pedagogical ... and in the 19th century, in rural areas particularly, it was often made from ...

www.academia.edu/1471718/What_is_a_Chalkboard_Repaired_

Chalkboard Introduction The writer is going to discuss about the chalkboard, what it is made of, its uses, the advantages and disadvantages of using a ...

www.quora.com/Why-are-blackboards-actually-green

These boards are typically made of sheets of dark grey or black slate stone. In recent years ... started using green and brown chalkboards. http://answers. yourdictionary.co... reports that green chalkboards came into use to relieve eye strain.

education.cu-portland.edu/blog/reference-material/the-history-of-the-classroom-blackboard

Nov 8, 2012 ... In 1801, the rather obvious solution to the problem made its debut. ... Although chalkboards are still common in schools, especially in older ...