Lava


material that erupts from a volcano that contains ash, cinders, and hot molten rock



Source
https://www.google.com/search?q=lava&biw=1262&bih=649&source=lnms&tbm=isch&sa=X&ei=xIFBVdi0BaPLsAS724CoBg&ved=0CAYQ_AUoAQ#imgrc=_C5os2vmrEhSMM%253A%3BwXB9_dEWV9E7SM%3Bhttp%253A%252F%252Ffc01.deviantart.net%252Ffs9%252Fi%252F2006%252F036%252F5%252Fe%252FFlowing_Lava_by_hitokirivader.jpg%3Bhttp%253A%252F%252Fwww.youtube.com%252Fwatch%253Fv%253D1LJCtYO1Yao%3B1280%3B960