a physical change....? hope that helped a little.
coil building
Pinch pot.
you take a piece of clay and use it on a bucket of water, voila, soft clay.
A general term for unfired clay products is "greenware." The exact designation of unfired clay, however, depends on the stage of dryness. In order by increasing dryness, clay can become soft leatherhard, firm leatherhard, velvet and bone dry.
If clay is a rock
It depends on how long you strecth it because clay an be rolled up to i think i foot!
A slab of clay is a flat piece of clay rolled out. With a slab of clay, it is much easier to cut/trace things.
Slab
A slab of clay usually means rolled out clay. The thickness varies but is generally about a half inch.
A piece of paper rolled into a cylinder lengthwise would have a greater volume because it would have a larger radius compared to one rolled into a cylinder widthwise. The volume of a cylinder is maximized when the radius is maximized, which occurs when the paper is rolled lengthwise.
pottery
coil building
Pinch pot.
Some.
The tool used for writing on clay tablets is called a stylus. It is usually made from a reed or a sharpened piece of wood, and is used to make impressions or inscriptions on the soft clay surface.
There is more than one type of tennis court and clay is one of them. There is shale stone brick and clay. Clay is more popular in Europe and Latin america, but is not used in the U.S.A. The material used in the U.S.A. green clay or rubico is commonly called clay but is not the same as other courts in Europe. Although cheaper to construct than other types of tennis courts, the maintenance costs of clay are high because the surface must be rolled to preserve flatness.
you take a piece of clay and use it on a bucket of water, voila, soft clay.