Across
- 5. water held underground in soil
- 7. Group of animals that occupy a certain area
- 9. Large pieces of lithosphere that the ocean and continents sit on.
- 10. Petroleum, natural gas made of once living organisms
- 11. A solid inorganic material found in nature
- 13. Still in existence
Down
- 1. When a sudden release of energy in the lithosphere creates seismic waves
- 2. Study of earth
- 3. No longer in existence
- 4. occur when two divergent boundaries separate causing less dense material to rise. Creates a new ocean floor
- 6. When heat, pressure, cooling, ect... turns rocks from one type to another over time
- 8. A supercontinent that existed before the continents separated.
- 12. Rock formed from extreme heat and pressure, appears glassy