Ch.1 and 2 Quiz Flashcards
Things made from clay
ceramics
The ability to hold together while being shaped; gives clay its plastic quality
plastic (plastic quality)
What are 3 important variables when it comes to working with clay?
Moisture, plasticity, and heat
______ is decomposed igneous rock
clay
Stage of drying when moisture in the clay body has evaporated so the clay surface is no longer feels cold
Bone dry
What did ancient people use clay for?
To model as a diversion
A fluid suspension of clay in water used in joining clay pieces and for surface decoration.
slip
A method of refining clay in water where the heavy particles sink to the bottom and smaller particles are skimmed off the top
levigation
Any part of a fired clay piece, such as plant remains, rock fragments and temper that was not originally a clay mineral
inclusion
Why is aging the clay important?
It improves the quality of the clay and makes it easier to shape.
A hand-building technique that involves squeezing the clay, usually between fingers and thumb
pinching
Attaching rolls of clay together to form pottery
coiling
Hand building technique that involves shaping clay into a broad flat, thick piece.
Slab building
Any form used to shape clay
Molding
A two dimensional element such as a silhouette or outline
shape
What factors determine how fast clay will dry as you work with it?
Atmosphere, water, chemical composition of clay, etc.
Carving or cutting the surface with a sharp tool
Incising
Using an object to press or stamp a design into the clay
impressing
Marks the surface of the clay with uniform lines
Combing
Rubbing or polishing the surface with a smooth stone or piece of hard wood.
Burnishing
What are the 4 main types of glaze used in the early ceramics?
Ash, lead, salt, and alkaline
A thin coat of glass you give your pot
glaze
A category of green, gray, or blue-gray glazes for stone, wood, and porcelain
Celadon
Any coloring element, such as oxides or commercial colorants, applied prior to glaze application. It goes under your glaze and is more predictable.
Underglaze
A structure built to fire clay at high temperatures
Kiln
The stage during firing when a clay or glaze loses its porosity and transforms into a hard, nonabsorbent, glass like state
Vitrification
How does temperature change the physical state of clay?
Heating the clay will make it more stable; using different fuel offers the potter more control
Enclosed portion of a kiln, where the pottery pieces were placed for firing
Chamber
An opening in a kiln, which hot gas passes through to get from the chamber to the chimney
Flue
Consists of a firebox with a chamber directly above it-heat goes through kiln and exits through there
Updraft Kiln
Is more complex and enabled artists to be more productive-heat is drawn downward and goes through openings in the base
Downdraft Kiln
Art that tells a story
Narrative art
Art that represents a form or human
Figurative
Three other important ceramic materials
glass, plaster, cement
Iron, coal, and ____ are all mined in the same manner.
clay
