MS World Geography: Unit 2 - The World

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Across
  1. 6. the gradual movement of the continents across the earth's surface
  2. 9. the deepest part of the ocean and the deepest location on Earth
  3. 11. the rigid outer part of the earth, consisting of the crust and upper mantle
  4. 12. a layer of partially melted rock upon which the Earth’s tectonic plates ride and move across
  5. 13. Changes in the land’s features caused by the earth itself, such as the movement of tectonic plates
  6. 14. A supercontinent comprised of all 7 continents that existed 200 million years ago
Down
  1. 1. the massive, irregularly shaped slabs of solid rock which float on and travel independently over the mantle
  2. 2. to decompose as a result of exposure to light, especially that of the sun
  3. 3. the great size or extent of something
  4. 4. a large system of rotating ocean currents
  5. 5. the area around the Pacific Ocean that has many volcanoes and earthquakes
  6. 7. a circle on the surface of the earth that divides the earth into two equal halves
  7. 8. a method to rate the strength or total energy of earthquakes
  8. 10. ½ of a sphere; ½ of the earth