christmas

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Across
  1. 2. material that does not pass electrical charge
  2. 6. Gas used to disinfect pools
  3. 7. Element with symbol 'K'
  4. 9. Curie: First woman to win a Nobel Prize
  5. 11. natural disasters measured on Richter scale
  6. 12. Study about mushrooms
  7. 13. Has three molecules of oxygen
  8. 14. Closet time in minutes that sunlight takes to reach on earth
Down
  1. 1. The hardest natural substance on Earth
  2. 3. Hottest planet in the solar system
  3. 4. Used in thermometers
  4. 5. Planet with most gravity
  5. 8. Atom with no electric charge
  6. 10. Main gas in Earth's atmosphere