Geography-The Land Crossword

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Across
  1. 1. The Outer layer of the Earth, deep under the oceans oceanic crust
  2. 5. The portion of the Earth between the crust and the core
  3. 6. The process by which the surface of the Earth is worn away by the action of water, glaciers, winds, waves, etc.
  4. 7. Three-dimensional surface or zone across which there is a significant change in motion of a lithosphere
  5. 9. The molten, fluid rock that issues from a volcano or volcanic vent
  6. 12. A vent in the Earths crust through which lava, steam, ashes, etc., are expelled, either continuously or at irregular intervals
  7. 13. Originator of continental drift hypothesis
  8. 14. The large parts of the surface of the earth that rise above sea level; seven major continents
  9. 15. A hypothetical landmass, consisting of current day South America, Africa, Arabia, the Indian subcontinent, Australia, and Antarctica
  10. 18. A hypothetical landmass in the Northern Hemisphere near the end of the Palezoic Era
  11. 20. A continous range of uner water volcanos wrap around the globe, stretching nearly 65,000 kilometers
  12. 21. Temporarily at rest
  13. 22. The hypothetical landmass that existed when all continents were joined form about 300-200 million years ago
  14. 23. A specific geomorphic feature on the surface of the earth
  15. 24. The inner most layer of the Earth
Down
  1. 2. Two tectonic plates meet and collide,the North American and Pacific
  2. 3. A theory of global tectonics in which the lithosphere is divided into a number of crustal plates
  3. 4. The thickest layer of the Earth
  4. 7. Currents of pumice, ash, rocks, and volcanic gas that moves/flows down the side of a volcano
  5. 8. A landslide of wet volcanic debris on the side of a volcano
  6. 10. The various mechanical and chemical processes that cause exposed rock to decompose
  7. 11. Heat-driven cycles that occur in the air, ocean, and mantle
  8. 16. The sudden release of strain energy in the Earths crust, resulting in waves of shaking that radiate outwards from the earthquake source
  9. 17. Molten material beneath or within the Earths crust
  10. 19. The lateral movement of continents caused by movements of crustal plates