Geography Chapter 2 Section 1-3

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Across
  1. 5. / The part of the earth where life exists.
  2. 7. drift / The theory that the continents were once joined and then slowly drifted apart.
  3. 10. / Surface land areas of the earth's curst, including continents and ocean basins.
  4. 12. / A process by which new land is created when sea plates pull apart and magma wells up between the plates.
  5. 14. / Molten rock that is pushed up form the earth's mantle.
  6. 16. / A bend in layers of rock, sometimes caused by plate movement.
  7. 17. / Moisture that falls to the earth as rain, sleet, hail, or snow.
  8. 20. / A layer of gases that surrounds the earth.
Down
  1. 1. / Underground water-bearing layers of porous rock, sand, or gravel.
  2. 2. / A slow process in which a sea plate slides under a continental plate, creating debris that can cause continents to grow outward.
  3. 3. / The watery areas of the earth, including oceans, lakes, rivers, and other bodies of water.
  4. 4. / A process by which mountains can form as sea plates dive beneath continental plates.
  5. 6. / The removal of salt from seawater to make it usable for drinking and farming.
  6. 8. / Fine, yellowish-brown topsoil made up of particles of silt and clay, usually carried by the wind.
  7. 9. / Process of converting into vapor.
  8. 11. / Wearing away of the earth's surface by wind, flowing water or glaciers.
  9. 13. / Thick middle layer of the earth's interior structure consisting of dense, hot rock.
  10. 15. / Water within the earth that supplies wells and springs.
  11. 18. / The process of excess water vapor changing into liquid water when warm air cools.
  12. 19. tectonics / The term scientists use to describe the activities of continental drift and magma flow which create many of the earth's physical features.