The ability of the clay to become hard during firing.
What is vitrification
Ceramic pieces that have air bubbles in the walls may do this when fired in the kiln
What is crack off or explode
Process that strengthens the bond on the clay and ensures that it won't come apart.
What is welding
Roughing up the surface of the clay in order to join it together
What is scoring
The presence of sand in clay to allow water and air to pass through gives the clay?
What is porosity
The ability of clay to hold its shape
What is plasticity?
What is the first step when applying glaze to a piece of pottery?
What is clean off the dust
Granules of fired clay that have been added to a clay body to increase its strength
How much space should you leave at the bottom of a piece of pottery to keep the glaze from sticking in the kiln?
What is 1/8 inch?