scoriae

"The boat floated on the water."

"The melted butter solidified in the refrigerator. "

"The factory workers assembled the cars all day. "

"Asphalt, composed of oil and sand, is a widely used material for roads."

"He listened carefully to his mother's concerns, feeling sorrowful about her disappointment. "

"The volcano's eruption sent ash raining down on the nearby town. "

"The crowd scattered in terror."

"He removed the marbles from the bag."

"After the party, the only remains were empty plates and a few scattered candies. "

"He navigated the bomber to the Ruhr."

"The factory is smelting iron ore to produce steel. "

"After the flood, the animal shelter was overflowing with unwanteds, mostly stray cats and dogs needing homes. "