Below you can find the Joseph priestley gave this name to some tree sap that could wipe out pencil marks Jeopardy Words Answer. The answer to Joseph priestley gave this name to some tree sap that could wipe out pencil marks has 6 letters. This clue belongs to the General science category and is part of Jeopardy Word Level 1817. If you scroll near the bottom you will find other clues and answers part of level 1817