| Answer | Crossword Clue |
|---|---|
| ARK | It was discovered by Indiana |
| ORINOCO | Its mouth was discovered by Columbus: 1498 |
| TUT | King whose tomb was discovered by Howard Carter |
| NILE | Its source was discovered by John H. Speke |
| SCANDIUM | Rare-earth element named after where it was discovered |
| HASSIUM | Element named for the German state where it was discovered |
