Ceramic Basic: Safety, glaze, firing

What is the term for the process of joining clay pieces by scratching the surface and applying slip?

• Slurring

• Bonding

• Scoring and slipping

• Fusing

What technique involves scratching designs through a layer of colored underglaze to reveal the clay beneath?

• Sgrafitto

• Scoring

• Slip casting

• Slumping

Which of these is a low-fired clay known for its red or orange color and is the most porous?

• Porcelain

• Earthenware

• Stoneware

• Terracotta

Which of these is a high fired clay known for its use for fine-china?

• Porcelain

• Earthenware

• Stoneware

• Terracotta

What is the name for the first firing of clay to a lower temperature to harden it before glazing?

• Glaze firing

• High firing

• Bisque firing

• Over firing

What is the term for the second firing of clay to a higher temperature with glaze applied to create a glassy surface?

• Low firing

• Bisque firing

• Glaze firing

• Over firing

At what stage does clay shrinkage primarily occur?

• When it's wet

• During bisque firing

• During glaze firing

• When it's bone dry

What term describes the distortion or twisting of clay forms during drying or firing?

• Cracking

• Shrinkage

• Warping

• Distension

Which of these is known for a mid-fire clay and is durable?

• Earthenware

• Stoneware

• Porcelain

• 
  Terracotta

How can you waterproof ceramic objects and make them resistant to liquids using glassy coating?

• Underglaze

• Scoring and slipping

• Sgraffito

• Glazing