| Answer | Crossword Clue |
|---|---|
| TOPHATS | They have high crowns |
| HATS | They have crowns |
| ELS | They have high stations |
| ALKALIS | They have high pHs |
| ASPIRERS | They have high hopes |
| BUMPERCARS | They have a high collision rate |
| BLACKHOLES | They have extremely high gravitational fields |
