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Transcript of Pottery Prezi
This can be done using a variety of methods.
A kiln is a regular firing method.
Kilns may be heated by burning wood, coal and gas or by electricity.
The maximum temperature within a kiln is often held constant for a period of time. History of pottery is prehistoric and part of past pre-literate cultures. Pottery in Education What are some skills children can learn when making Pottery?? Pottery is made by forming a clay body into objects of a required shape and heating them to high temperatures in a kiln which removes all the water from the clay, which induces reactions that lead to permanent changes including increasing their strength and hardening and setting their shape. Greenware
refers to unfired objects
most plastic form
soft and malleable
can be easily deformed by handling. Bone-dry
a moisture content at or near 0%
ready to be bisque fired Biscuit
object is shaped to the desired form and fired in the kiln for the first time (known as "biscuit fired")
A glaze may be applied to the bisque form Glaze fired
final stage of some pottery making.
During this stage the glaze melts and adheres to the object
Also hardens the body still more The Potter's Wheel Hand Building Also called "throwing".
A ball of clay is placed in the center of a turntable, called the wheel-head, which the potter rotates with a stick, with foot power or with a variable-speed electric motor. Plus many more methods!! The earliest forming method.
Wares can be constructed by hand from coils of clay, combining flat slabs of clay, or pinching solid balls of clay or some combination of these.
Parts of hand-built vessels are often joined together with the aid of slip, an aqueous suspension of clay body and water. Prior to shaping the clay must be prepared.
Kneading helps to ensure even moisture content throughout the body.
Air trapped within the clay body needs to be removed.
Wedging can help produce even moisture content. Preparing Clay Leather-hard
approximately 15% moisture content
very firm and only slightly pliable.
Trimming and handle attachment often occurs are very important in the Pottery making process. Glaze is a glassy coating on pottery,
the primary purposes of glaze is decoration and protection.
may be applied by dusting, by spraying, dipping, trailing or brushing on a thin slurry composed of the unfired glaze and water. Much of this history can only be found among the artifacts of archeology. Because pottery is so durable, pottery and shards from pottery survive from millennia at archaeological sites. The oldest known pottery is from China and dates to 20,000 BC, at the height of the ice age, long before the beginnings of agriculture. Sensory Development and Motor skills
Self Esteem and Self Expression
Problem solving skills
Discipline and Pride Clay also has a uniquely therapeutic quality that can settle and calm children. It also has the ability to retain their attention for hours.