Do you love to decorate? If you're like me, once you find a spot for a decoration you LOVE, you don't want to move it. BUT, isn't it nice to switch up your decor for the seasons?

1. About Chalk Boards

2. A Piece Of Chalk
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 purposes, but it can also be
found in the workplace

3. A Variety Of Materials
While chalkboards can be manufactured
from a variety of materials, porcelain enamel
is the most common material used in today's
chalkboard.

4. The Origins Of The
Chalkboard
The origins of the chalkboard date back to the
early decades of the 19th century. The
forerunner of the chalkboard was the small,
paddle-shaped hornbook

5. Use In Schools
This item had been in use in schools of
medieval England, and by the time of the
Revolutionary War era in colonial America, it
was chalk board carried by legions of students.

6. Revolutionary War Era
Revolutionary War era in colonial America, it
was carried by legions of students. The
hornbook was a strip of wood with a piece of
paper fastened onto it.

7. A Variety Of Learning
Aids
On the paper were a variety of learning aids in
small print. A typical hornbook would carry
both the Lord's Prayer and the alphabet, and a
translucent sheet of animal horn covered the
paper.

8. The Reading Chalk
Board
Eventually the hornbook evolved into the
reading board. This was a strip of about 15
inches (38 cm) in length, also containing the
alphabet and other learning aids

9. Chalkboard For All
Students
From the reading board came the concept of
one general chalkboard for all students in the
classroom to both view and use

10. The Early Chalkboards
The early chalkboards were simple pine boards
painted black. In other cases, a combination of
lime, plaster of Paris (a white powdery
substance), and lampblack (fine black soot)
chalk board was spread on the classroom wall.

11. Most Modern
Chalkboards
Most modern chalkboards are made of
porcelain enamel. In this particular
manufacturing process, a tough and durable
material such as steel is used as the base.

12. Manufacture Of
Chalkboards
There are several thicknesses of steel used in
the manufacture of chalkboards, but the most
common is 22-gauge. Another crucial element
is silica

13. Surface Of A
Chalkboard
The surface of a chalkboard is usually a blend
of inorganic compounds such as a powdered
glass opacifier and oxides, an organic element
that provides color to the coating material.

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