Below you can find the Stoneware porcelain & earthenware are 3 types of this craft that involves moist clay that's hardened by heat Jeopardy Words Answer. The answer to Stoneware porcelain & earthenware are 3 types of this craft that involves moist clay that's hardened by heat has 7 letters. This clue belongs to the Pot-pourri category and is part of Jeopardy Word Level 2138. If you scroll near the bottom you will find other clues and answers part of level 2138