Across
- 5. distribution of electromagnetic radiation
- 6. the emission of energy in the form of waves and particles
- 7. has long wavelengths
- 8. the visible electromagnetic radiation that allows us to see the world
- 9. original source of UV light
Down
- 1. has short wavelengths
- 2. the atmospheric layer that absorbs most UV radiation
- 3. rays invisible to human eye
- 4. a form of UV light and found in industries like NASA