Across
- 2. a line of mountains connected by high ground
- 5. transfer of heat by waves that can travel through air or space
- 7. a specific geomorphic feature on the surface of the earth
- 12. a process that raises or builds up the surface features of the earth
- 15. a flat elevated area
- 17. transfer of heat through direct contact of molecules of matter
- 18. the rocky outer layer of the earths surface; the two types of crust are continental and oceanic
- 19. all water on earth
- 20. transfer of heat through a liquid or gas by a current
- 24. height of a land feature measured relative to sea level
- 29. a feature of the earths surface
- 31. wave of energy that radiates out from an earthquakes focus
- 32. the upper layer of the earths mantle below the lithosphere
Down
- 1. a process that lowers or tears down the surface features of the earth
- 3. current that flows through a liquid or gas because of differences in density
- 4. a very hard, granular, crystalline, igneous rock.
- 6. a large natural elevation of earth
- 8. difference in height of landforms in a region
- 9. all of the living organisms on earth
- 10. a dark, fine-grained volcanic rock
- 11. amount of mass per unit of volume of a substance
- 13. continuous physical force
- 14. ability to work
- 16. layer of solid, brittle, rock that makes up the earths surface composed of the crust and uppermost mantle
- 21. changes in elevation for a given region
- 22. the solid material found in the center of some planets
- 23. a set of things working together as one
- 25. a fluid layer about 2,400 km thick
- 26. mixture of gases that surrounds a planet such as earth
- 27. any of the almost spherical concentric regions of matter that make up the earth
- 28. low-lying continental areas that can be inland or coastal
- 30. the middle layer of the earth, made of hot rock that circulates by convention and located between the crust and core
