Ultraviolet Waves- Crossword Puzzle

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Across
  1. 2. Too much UV radiation from the sun or sunbeds
  2. 3. discovered the ultraviolet region of the spectrum
  3. 5. the emission of light by a substance that has absorbed light energy
  4. 6. a self contained light source that exhibits fluorescence when exposed to uv
  5. 7. falls between visible light and X rays on the electromagnetic spectrum
  6. 8. Not able to be perceived by normal vision that has not been enhanced or augmented in any way
Down
  1. 1. the treatment of disease by exposure to a radioactive substance
  2. 4. the entire frequency range of electromagnetic waves