Monday, April 8 Plaster - a mixture of powdered and heat-treated - - PowerPoint PPT Presentation

Monday, April 8

Plaster - a mixture of powdered and heat-treated gypsum, which can be mixed with water hardening to a smooth solid which does not shrink or lose volume because it hardens before all the water can evaporate.

Robert Indiana (Clark): Pop artist from Indiana. Well known for his 1958 postage stamp design of “LOVE” with a tilted “O”. Many sculptures mimic this art work.

Ceramics: the art of making vessels out of clay, fashioning them hollow, baking them in a kiln until the clay is hard, and sometimes finally glazing them for water tightness, durability, and appearance.

Gesso (Prounounced Jesso): Plaster or a fine plaster- like material. Applied to canvas or other surface prior to painting to ensure a durable, smooth surface.

Technique: Any method or way of working with art materials to produce an art object. Craftsmanship: The quality of what a person does. Craftsmanship is most admired when a person creates something with good skill by hand whether with or without tools.

Portfolio: A portable case for holding material, such as loose drawings, photographs, or other

• images. It may also be the materials collected in such

a case, especially when they are representative of an artist's work.

Linocut: A linoleum block or plate used for making relief prints. Linoleum is a durable, washable material formerly used more for flooring as vinyl flooring is used today.

Score: To scratch lines in unfired clay before applying moisture to join pieces of clay. Slip: Clay mixed with water until it becomes a liquid form about the consistency of cream. Slip is used in joining two pieces of clay together.

Bust – In art, a sculpture depicting a person’s head and shoulders.

Coil: Coils are long, snake-like ropes of clay that are used in making pottery Slab: A pottery technique in which a form is built up by joining shapes cut from thick sheets of damp clay.

Landscape: A painting, photograph or other work

• f art which depicts scenery such as mountains,

valleys, trees, rivers and forests. There is invariably some sky in the scene

Still Life: A picture of a grouping of inanimate

• bjects. Common still life subjects include vessels,

food, flowers, books, clothing

Printmaking: A print is a shape or mark made from a block or plate or other object that is covered with wet color (usually ink) and then pressed onto a flat surface, such as paper.

Varnish: A protective transparent finish applied in a liquid state to a surface. Many are available with a matte, semi-gloss, or glossy finish.

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Wedge or Wedging: Mixing moist clay by cutting and recombining cut sections (slamming clay together) and by kneading it. This will also take the air pockets

• ut so the piece will not blow up in the kiln.

Wire: A usually pliable metallic strand made in many lengths and diameters (gauges). Gauge (pronounced “geyj”): Measurements of wire diameters (thicknesses or widths) are expressed in gauge numbers and decimals of an inch.

Kiln: A special oven or furnace that can reach very high temperatures and is used to bake, or fire clay. Kilns may be electric, gas, or wood-fired.

Pinch Pot: Finger manipulation of clay in the palm of one hand, using pressure of the fingers and gravity to form a lump of clay into a hollow shape.

Bisque: an unglazed ware that has been fired once. Once it is fired over 500* F., the water evaporates and the clay can no longer be softened.

Brayer: A tool used to roll ink onto a surface by hand, usually in block printing and in mono-printing.