| Answer | Crossword Clue |
|---|---|
| AERONOMY | Study of phenomena on high |
| SOLAR | Kind of phenomena subject to I. G. Y. study. |
| TIDES | High-low phenomena. |
| TIDES | High and low phenomena |
| SOMEANTICS | Study of certain high jinks |
| SATPREP | Extracurricular study for many a high school jr. |
