Joining Clay
the first step to join two pieces of clay
score
unfired pottery, easily broken
greenware
objects made from clay with the aid of heat, or the process of making these objects
ceramics
scratching the surface of the clay in preparation of joining it to another piece of clay
scoring
forming pieces on the potter's wheel using clay
Throwing
the second step in joining two pieces of clay
slip
changes in the shape of a clay body occurring in either drying or in the kiln
Warp
a plastic earthy material formed by the decomposition of granite, often containing various impurities which affects its color and firing temperature
clay
a method of forming pottery from rolls of clay worked together to form the shape
Coiling
the ring-like base of a piece of pottery usually formed by tooling away the excess clay
Foot
the third step to join two pieces of clay
join
contraction of the clay in either drying or firing, usually about 10%
shrinkage
a creamy substance that is clay in liquid suspension, used for joking clay pieces or for casting in molds
slip
a hand building method in which forms are created by joining flat pieces of clay
Slab construction
objects made from clay with the aid of heat, or the process of making these objects
Ceramics
the fourth step to join two pieces of clay
weld
the condition of green ware clay when much of the moisture has evaporated and shrinkage has just ended but clay is not totally dry
leather-hard state
a plaster, wood, or Masonite disk used on top of the wheel head during throwing
Bat
the drying of clay proceed at a rate controlled by the ____ of the surrounding atmosphere
Humindity
a hand building method in which forms are created by joining flat pieces of clay
slab construction
the four steps (in order) to join two pieces of clay
score, slip, join, weld
rubbing leather-hard clay with any smooth tool to polish it and tighten the clay surface
the act of forcing a lump of clay by hand into alignment at the center of a potter's wheel in preparation of throwing pottery.
Centering
any one of various methods of kneading a mass of clay to expel the air bubbles and align the clay particles
Wedging
Shrinkage is the contraction of clay in either drying or firing, which is usually about ________
10% (ten percent)