CROSSWORD PUZZLE

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Across
  1. 3. electric field and magnetic ____ produce electromagnetic wave
  2. 6. type of EM waves used in radars
  3. 9. microwaves can penetrate the atmosphere of the _____
  4. 10. most ____ waves are invisible to the eye but detectable
  5. 11. rays carry the highest amount of energy
  6. 12. the colour with the longest wavelength in the visible spectrum
  7. 13. the acronym of ranging detection radio
  8. 14. all x-rays are dangerous because they can damage healthy living ____ of the body
Down
  1. 1. infrared and UV rays lie at the end of the ______ spectrum
  2. 2. property that spells the difference between infrared and UV radiation
  3. 4. sometimes called "heat rays"
  4. 5. most EM waves are invisible to the eye but ______
  5. 7. UV _____ carries more energy than the others
  6. 8. UV radiation is used for _____ water