| Answer | Crossword Clue |
|---|---|
| ELECTROMAGNETIC | Type of radiation or wave |
| TIDAL | Type of wave or bore |
| TIDAL | Type of pool or wave |
| BETA | Type of wave or test |
| DELTA | Type of ray, wave or wing |
| GAMMA | Type of radiation |
| EXTRARED | Describing a type of heat-giving radiation. |
