Across
- 3. distance north/south of Equator
- 5. distance east/west of Prime Meridian
- 8. water sphere
- 9. type of map showing earth's 3-D surface
- 10. "study of earth"
- 11. study of oceans
- 14. thin gaseous envelope surrounding earth
- 16. any size group of interacting parts that form a complex whole
- 17. resources that can be replenished
Down
- 1. describes movement of continents
- 2. study of universe
- 4. all live forms make up this sphere
- 6. make up layers of the earth
- 7. well tested & widely accepted by scientific community
- 12. possible explanation
- 13. study of atmosphere, weather, climate
- 15. flat representation of earth's surface
- 18. hypothesis suggesting solar system formed from solar nebula