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I NTRO TO POTTERY EOC REVIEW. B ASIC T ERMINOLOGY Wedging: kneading clay to remove air bubbles and to develop a uniform texture. Foot: the base of any.

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Presentation on theme: "I NTRO TO POTTERY EOC REVIEW. B ASIC T ERMINOLOGY Wedging: kneading clay to remove air bubbles and to develop a uniform texture. Foot: the base of any."— Presentation transcript:

1 I NTRO TO POTTERY EOC REVIEW

2 B ASIC T ERMINOLOGY Wedging: kneading clay to remove air bubbles and to develop a uniform texture. Foot: the base of any ceramic item Body: the inner or essential part of the ware Appendage: an added part, ie. Spout, handle Slip: clay to which enough water has been added to make a creamy liquid. Used as glue, decoration and slip casting. Score: to carve crosshatch lines into clay to aid in joining pieces together.

3 Plasticity: the characteristic of clay that allows it to be stretched, attributed to its flat, plate shaped molecules. Grog: hard fired clay that is crushed or ground and added back into clay for rigidity, texture, stability, decrease shrinkage, and fortify against harsh temperatures.

4 F IRING T ERMINOLOGY Kiln: a furnace or oven used for firing ware (many types) Stilts: a three-pronged support for glazed ware in the kiln Cones: unit of measure to identify kiln temperature. Cone shaped devices used inside kilns to ensure that temperature is reached. Kiln Wash: a solution that is used to cover shelves to prevent the sticking of the ware to the surface supporting it

5 Oxidation: Usually takes place in an electric kiln. An abundance of oxygen present in the kiln atmosphere Reduction: More fuel than oxygen present in kiln environment. Causes flames to seek-out oxygen Classroom Fuel Source: Electricity Primitive Fuel Source: Wood

6 G LAZING T ERMINOLOGY Wax Resist: applied to the base of wares to prevent glaze from adhering to the bottom and melting to the kiln shelf during firing Transparent (glaze): a clear glaze that shows underglazes or clay color through Opaque: not transparent or translucent. Does not allow light to shine through Gloss: high shine finish Matt: dull finish. Matt glazes are opaque.

7 G LAZING T ECHNIQUES Dipping: submerging the ware in a bucket of glaze. Pouring: Pouring the glaze over the wares. Brushing: Painting the glaze on, three layers thick, each coat applied in a different direction. Spraying: Using a booth and a special glazing spray gun

8 B UILDING T ECHNIQUES Pinch: rolling and pinching a ball of clay i.e. pinch pots Coil: snake-like ropes, scored and slipped together Slab: rolled out flat sheets of clay Wheel

9 S TAGES OF C LAY Plastic/Wet: the stage in which you build with your clay Leatherhard: no longer very pliable, cold to the touch, fingers no longer leave imprints Bone Dry/Greenware: The driest it will be without firing. Most fragile stage. Bisque Fired: ware that has been fired once. Glaze Fired: Finished glazed work

10 H EALTH & S AFETY Dermatitis: Inflammation of the skin due to exposure to an irritant. Like an allergy, there is no cure (gloves will not work!) Only solution is to stop using clay

11 Silicosis: A lung disease Acquired through prolonged inhalation of silica dust (clay, glaze) An irreversible condition with no cure


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