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