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21 Cards in this Set
- Front
- Back
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Describe the medium, clay, and it's use
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Clay is a moist earth of decomposed rock. It is used for making decorative and functional objects.
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Define Ceramics!
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Ceramics is any clay product that has been fired to a high temperature in a kiln, to make it permanent and impervious to water.
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Complete the statement:
Ceramic objects are usually fired... |
Twice; once to drive out the moisture and once to glaze and vitrify.
Vitrify: is to make "glassy" |
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Name the stages, in order, of the drying process of clay.
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1. Plastic
2. Leatherhard 3. Greenware or 'Bonedry' |
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What is the 'plastic' stage of clay?
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Plastic clay, is clay that is malleable and ready to work with.
Malleable is: Able to be hammered or pressed permanently out of shape without breaking or cracking. Easily influenced; pliable. |
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Describe the characteristics of clay in 'leatherhard' stage.
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Leatherhard clay, is clay that is partly dry, but is still soft enough to incise or paint with slip.
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What is Bonedry also known as? Describe the stage.
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Greenware
It is clay that is completley dry and ready to fire. |
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What are the stages of firing that the clay goes through?
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Bisque and Glaze firing
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Describe the charicteristics of Bisque firing.
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Bisque firing is the first firing process in ceramics. The temperature of the kiln is usually 1000C.
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Define and describe Glaze firing.
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Glaze firing is the second firing of a clay object usually at 1160C (but can be anywhere between 1100C and 1200C, the latter being stoneware temperature)
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What is a Maquette?
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A maquette is a small scale model of a potential design. A maquette is to sculpture what a sketch is to painting.
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Define slabware.
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Ceramic tableware made using the slab technique on either a hump or a slump mould.
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Incised Decoration is...
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Low relief carving or drawing onto a clay body when leatherhard.
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What is Scraffito?
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Patterns of designs drawn through a slip undercarriage to reveal the clay body.
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Fettle is...
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To trim or smooth a ceramic piece when leatherhard or bonedry (using a rasp or sponge)
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Describe Slip.
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A runny mixture of liquid clay used for painted decoration to be applied to plastic or leatherhard work.
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Define Underglaze.
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A paint-like liquid clay used for coloured painted decoration on bondry or bisque.
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What is Glaze?
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Glaze is made from silica (a primary ingredient in glass) and used to provide a shiny surface on ceramic objects. It vitrifies and approx 1100C
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Applied Decoration is...
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Any decoration on a ceramic piece that is added after construction to create different levels and details.
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Working Methods
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The techniques and processes the artist used to create the piece, ie, how the artist has gone about it...handstitching, painted, etc; to do with materials.
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Aesthetic Qualities
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How the artist used elements and principles combined with materials to create the look of the artwork.
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