PPT-Ceramics Preparing Clay Before making anything with clay, whether by hand or on the pottery

Wedging Working clay on a surface with the palms of the hands in order to remove air from it and obtain a uniform consistency Leather hard The condition of unfired clay when most of the moisture has evaporated leaving it still soft enough to be carved into or joined to other pieces . Pretest Notes. Attention!!!. There will be a test over this information that you must pass with a 75% before you can work with clay.. Complete the questions from the textbook first. 1-12. Wedging. How to wedge clay. Handbuilt. . Dreamheads. and . Wheel-Thrown Pottery. Reality, Surrealism, and Clay . Mrs. Fuller, Instructor. Ionia High School 2011-12. Persistence of Memory by Salvador Dali. I CANs: Beginning Ceramics Students. Objects made of clay fired at a high enough temperature for a chemical change to take place in the clay body, usually over 1550 degrees F.. TYPES OF CLAY:. 1.  . Earthenware Clay. - A low-fire clay. Porous and not waterproof. To be functional, It must be glazed.. Ceramic objects are made with inorganic, non-metallic materials that are heated and then cooled. These materials tend to be strong, but brittle.. These objects include:. Pottery. Bricks. Glass. Roof and floor tiles. From Ancient Greece. The Importance of Pottery. Storage containers, cookware and dishes were as necessary for the Ancient Greeks as they are for us.. Without much glass and with metal being expensive, clay was a very handy material.. Stages of clay. Raw. clay is wet clay. You can mold it.. Greenware. is clay that is air dried. Bisqueware. is clay that has been fired . once.. . Glazeware. has a coating of glass that melts and makes the outside of clay smooth and interesting. Hand Building Techniques . Coiled Pottery . - . One of the oldest ways of forming pottery. Long . strands/snakes/coils . of clay which are laid on top of each other and joined through . slipping and scoring. . Introduction. History. Pottery has been made by hand since prehistoric times.. Early uses were as functional vessels and figurative sculptures.. Clay was hardened. . by baking in the sun.. The discovery that fire hardened clay encouraged the development of more complex forms of pottery.. Pottery or clay sculpture fired at high temperatures in a kiln to make them harder and stronger. . Ceramics Around the World. Ceramics have been used, throughout the world, for tens of thousands of years.. Clay – Decomposed Rock. Basically, clay is mud. Clay Mine. Clay drying. Prepared & processed clay. Powder & plastic. Different types of clay bodies. Earthenware. Terra Cotta. Stoneware. 3 Properties that make up clay. 1. Plasticity (ability to form). 2. Porosity (ability to hold moisture). *Similar to a sponge. 3. Vitrify (ability to harden and keep its shape). 3 types of clay. Clay is characterized by it’s iron content (color), vitrification process, and firing temperature.. The art of making objects out of clay. What is Clay?. A fine grain material from the earth that is naturally found in soil and sedimentary rock. . Lesson 1a. Hand building Techniques. Pinch - Forming a clay object . �� ��Smarter Balanced Mathematics Grade 5 Scoring Guide �� Grade 5 Mathematics Clay Pottery Performance Task 1 Which project needs the most clay? A. Small Pla The Benefits of Reading Books,Most people read to read and the benefits of reading are surplus. But what are the benefits of reading. Keep reading to find out how reading will help you and may even add years to your life!.The Benefits of Reading Books,What are the benefits of reading you ask? Down below we have listed some of the most common benefits and ones that you will definitely enjoy along with the new adventures provided by the novel you choose to read.,Exercise the Brain by Reading .When you read, your brain gets a workout. You have to remember the various characters, settings, plots and retain that information throughout the book. Your brain is doing a lot of work and you don’t even realize it. Which makes it the perfect exercise!