Pottery Flashcards
3 important ceramic materials are? (not clay)
Glass, plaster, cement
The most significant material used in ceramics is?
Clay
What was the beginning of the ceramics industry?
Pottery
Studio pottery is the product of individual?
Potter
The most universal material is?
Clay
How much of earths surface is clay?
75%
Ware means?
Pottery
Damp clay is ____ or _____ to make a workable lump
Wedged or kneaded
Clay often has to be sifted to remove impurities like?
Rocks, pebbles, twigs, sand, roots
In the beginning of pottery many shops were near?
Rivers and streams
How much clay is mines in the us each year?
100 million tons
Iron-riched clay are normally what color?
Red
Clay particles are called
Platelets
What is the name of a clay that is too plastic?
Bentonite
What ingredients makes clay slippery?
Organic matter
What 3 essentials are the properties of clay?
Plasticity, porosity, vitrify
What does vitrification mean?
Process of becoming glass like
A glassy layer melted into a pot to seal the pores or decorate the ware is known as
Vitrification
That colors is stoneware
Yellow and grey
Earthenware is a ______-temperature clay.
Low-fired
Porcelain is fired at a range at
2250-26000 degrees
Stoneware and earthenware clays are usually easy to work with because?
Plastic
Most materials become ___ and deform before they melt.
Soft
Are the water I’d plasticity and mechanical water the same?
Yes