| Answer | Crossword Clue |
|---|---|
| ASTR | Science of the stars: Abbr. |
| GEOL | Science of the earth: Abbr. |
| ZOOL | Science of the animal kingdom: Abbr. |
| GEOL | Science which treats of the earth: Abbr. |
| GEOL | Science of the history of the earth: abbr. |
| NAV | Science of directing the course of an aircraft: Abbr. |
