General Questions
Happens when an uneven moisture pocket expands as steam in the kiln due to not being wedged enough and thoroughly dried.
Explosion in kiln.
Clay has begun to dry out and can no longer be formed or molded but the surface can easily be carved
Leather Hard
A pointed tool used to poke small holes in clay, or drag a fine line across it.
Needle Tool
This term refers to the one of techniques of building pots using only the hands and simple tools.
Hand Built Pottery
Thermally insulated chambers, or ovens, in which a controlled temperature is produced. They are used to harden the clay body.
Kiln
At least this many coats of glaze must be applied
3
The name of the first firing. Load greenware only.
Bisque
Tools primarily used to carve chunks out of leather hard clay.
Loop tools.
Method potters use to adhere two pieces of clay together by scratching the surface and applying slip.
Score-and-slipping
Another name for clay glue
Slip
Used under glaze to bring out deeper colors.
Oxides.
Clay that has been completely air dried and is ready to go to the first kiln firing
Greenware (or bone-dry)
Tools (usually wooden) that carve different textures into wet or leatherhard clay.
Modeling tools.
Clay rolled and flattened into a thin shape. Can be used as walls to construct a box.
Slab
Kneading the clay by cutting and reforming it in order to even out moisture and air.
Wedging
This happens when you overglaze or glaze the bottom of your project, then fire it
Stick to shelf
Pottery that's been fired for a second time after applying glaze.
Glazeware
A wooden, metal, or bamboo tool used to shape wet or leatherhard clay.
Ribs
Rolled out ropes of clay
Coil
A thin coating of silica, alumina and a flux, designed to heat up and spread out over the clay piece.
Glaze.
Is usually a different color before firing than after.
Glaze
Any pottery that has not been bisque fired
Greenware
Narrow wooden pieces used to evenly roll clay.
Levelling sticks
can be used to darken clay underneath glaze.
Oxide
contains these three things: silica, alumina and flux
glaze components.