CROSSWORD

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Across
  1. 4. The study of heredity and variation in organism
  2. 6. Noble gas before Argon
  3. 9. Most abundant gas in the air
  4. 11. Found in iodized salt
  5. 12. Medical radiation used to treat tumors
  6. 13. Internal friction within a fluid
  7. 15. It's the principle behind batteries and rusting
  8. 16. Source of nuclear fuel
Down
  1. 1. Subatomic particle with a neutral charge
  2. 2. Largest planet in the solar system
  3. 3. AC to DC converter
  4. 5. The scientific study of the origin, evolution and ultimate fate of the universe
  5. 7. A solution with a low pH
  6. 8. C1 alkane
  7. 10. Scientist who discovered the dispersion of light
  8. 14. Deformation of a material under stress