Across
- 3. the highest energy
- 5. a radiation that travel
- 6. move in a parallel direction
- 9. move in a perpendicular direction
- 10. used for communication
Down
- 1. distance a wave crest or point travels in a given time
- 2. a rainbow
- 4. tanning beds
- 7. heat radiation
- 8. CT Scans
