Science

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Across
  1. 3. What a conchologist collects
  2. 6. in 1774
  3. 8. The element that Joseph Priestly
  4. 9. Most abundant element in the universe
  5. 12. Largest planet in our solar system
  6. 13. The largest desert in the world
Down
  1. 1. The study of weather, climate, and the atmosphere
  2. 2. Symbol for iron on the periodic table
  3. 4. Heaviest internal organ in the human body
  4. 5. The splitting of atomic nuclei is called ___
  5. 7. What you call a volcano that is not currently erupting
  6. 10. The number of bones that sharks have
  7. 11. The name of the process where a solid changes directly into gas