Across
- 2. is a dark, fine grained rock
- 4. is a rock that is usually a light color
- 11. the layer of rock that forms Earth's outer skin
- 12. results from a force pressing on the deeper part of earth
- 13. is a group of parts that work together as a whole
- 14. destroy and wear away landmasses through processes like erosion and weathering
- 16. is the ability to do work
- 17. has three main parts: a metal core, a solid middle layer, and a rocky outer layer
- 18. is a layer of molten metal surrounding the inner core
Down
- 1. a layer of hot rock
- 3. about 100 kilo thick
- 5. soft layer
- 6. core is a dense ball of solid metal
- 7. contains all of earth's water
- 8. shape the land surface by building up mountains and other landmasses.
- 9. is that relatively thin envelope of gases that forms Earth's outermost layer
- 10. when earthquakes ouccur
- 15. contains all living organisms
