Ceramics Unit

NEW & IMPROVED (mabe…)

Cat, Dog & People BowlsYOUR CHOICE!!

Art 1 – Coil, Slab & Terms

Students will learn the properties of clay bodies and experience coil, slab, and glazing techniquesThey will be evaluated on their understanding of terms (vocabulary), and the demonstration (performance) of techniques.

Terms(assignment: definitions should be pictured and defined on ipad)

Ceramics TermsStages of ClayPlastic – Soft clay used to make coils, slabs, etc.Leather Hard - Stage of the clay between plastic and bone dry. Clay is still damp enough to join it to other pieces using slip. For example, this is the stage handles are applied to mugs.Bone Dry - Completely air driedBisque Fire - First firing, without glaze. Slips can be used in a bisque firing.Glaze firing - The final firing, with glaze.

Greenware - Unfired pottery. Ready to be bisque fired.Stoneware – Buff colored clay, used for coffee cups, ext. Fires at 1800 degrees Fahrenheit.Porcelain - White stoneware, made from clay prepared from feldspar, china clay, flint and whiting.Earthenware - A low fired clay body. Glazed pottery is fired to a temperature of 1,830 - 2,010 degrees Fahrenheit. For our purposes this clay is red.Wedging - A method of kneading clay to make it homogenous by cutting and rolling. (removes air pockets and a way to add water)Slab - Pressed or rolled flat sections of clay used in hand building. Coil Pot - pot made with spiral of clay: a pot formed from a structure of coils or ropes of clay laid one on top of the other in a spiralSlip - Clay mixed with water with a mayonnaise consistency. Used in casting, decoration and attaching pieces of clay. Slip, Score, Blend – procedure for attaching clay parts for a permanent bond. Fire - To heat a clay object in a kiln to a specific temperature. Glaze - A thin coating of glass. An impervious silicate coating, which is developed in clay ware by the fusion under heat of inorganic materials. Kiln - A furnace of refractory clay bricks for firing pottery and for fusing glass.

Practice Rubric

Evaluation Points

Pictured Ceramics Terms /10

Pinch Pot /10

Coil Practice/Pretzel /10

Slab with attached coil /10

Total /40

Performance Task

Cat, Dog & People Bowls – Student Choice!You will design, construct, and glaze/fire your bowl of choice.

Visual idea prompts…

1920’s Nostalgia

Glaze Chart - Options

• http://store.maycocolors.com/c/glazes_stroke-coat

The End…