CROSSWORD

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