| Answer | Crossword Clue |
|---|---|
| PUMICE | Rock that may float |
| SHALE | Rock that may yield oil |
| SHALE | Rock that may hold fossils |
| NENE | Goose that may nest in lava rock |
| BOULDER | Rock that may be hard to roll |
| sediment | Particulate matter that is carried by water or wind and deposited on the surface of the land or the bottom of a body of water, and may in time become consolidated into rock |
| sediments | Particulate matter that is carried by water or wind and deposited on the surface of the land or the bottom of a body of water, and may in time become consolidated into rock |
