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