Ceramics vocabulary

Question 1

Porcelain clay

Answer 1

Pale body of primary clay with a distinctive ring when struck

Question 2

Stoneware clay

Answer 2

Secondary clays that are not as fine grained as other Clay bodies

Question 3

Absorption

Answer 3

The capacity of a material to soak up liquid

Question 4

Shrinkage

Answer 4

Contraction of the clay or glaze in either drying or firing

Question 5

Slip

Answer 5

A suspension of clay in water

Question 6

Plasticity

Answer 6

The quality of clay that allows t to be easily shaped and maintain its form

Question 7

Leather hard

Answer 7

The condition of raw clay when most of the moisture has evaporated leaving it still soft enough to be carved or jointed to other pieces

Question 8

Bone dry

Answer 8

The condition of unfired clay that has no assorted moisture other then natural humidity the form is ready to bisque fire

Question 9

Bisque ware

Answer 9

Clay that has been fired once unglazed

Question 10

Blowout

Answer 10

Explosion of clay in the kiln caused by the sudden espcape of steam resulting rapid heating of thick clay

Question 11

Blistering

Answer 11

Air bubbles appearing Ina glaze after first firing

Question 12

Grog

Answer 12

Fired clay that has been crushed into granules which may be added to clay body to increase strength control drying and reduce shrinking

Question 13

Clay

Answer 13

A compound of decomposed and altered feldspar