Clay Development & Hollowing

Write the 5 main clay development stages in order.

What stage describes clay that begins to hold its own shape and is best for carving?

• Plastic

• Leather Hard

• Bone Dry

• Bisque Ware

• Glaze Ware

What stage of clay contains the most water?

• Plastic

• Leather Hard

• Bone Dry

• Bisque Ware

• Glaze Ware

Which stage of clay is the most fragile?

• Plastic

• Leather Hard

• Bone Dry

• Bisque Ware

• Glaze Ware

Describe what a Kiln is. Give a definition for the term "kiln."

What does the term "greenware" mean? Give a definition.

Which of the following best describes the term "vitrification"?

• The act of hollowing the clay

• Creating an opening for air to escape the hollowed form

• The heating chamber that brings clay to maturity

• Clay particles fusing together and becoming water resistant

A sculpture comes out of the kiln for the first time. What stage of clay development is it in after this firing?

• Plastic

• Leather Hard

• Bone Dry

• Bisque Ware

• Glaze Ware

Select the option that best describes Glaze Ware.

• Fragile, lightest in color, ready to fire

• Glassy coating, colorful, finished

• Firm, good for carving, contains some water

• Durable, has been fired 1 time

Why must we hollow and vent our ceramic pieces that are an inch or thicker?

• So the water inside the clay evaporates better

• To prevent explosions in the kiln

• To craft thinner walls that are safe to fire

• All of these