The World

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Across
  1. 4. the deepest part of the ocean and the deepest location on Earth
  2. 5. the gradual movement of the continents across the earth's surface through geological time
  3. 8. a layer of partially melted rock upon which the Earth’s tectonic plates ride and move across
  4. 9. a method to rate the strength or total energy of earthquakes
  5. 10. the rigid outer part of the earth, consisting of the crust and upper mantle
Down
  1. 1. a massive, irregularly shaped slab of solid rock, generally composed of both continental and oceanic crust
  2. 2. Changes in the land’s features caused by the earth itself, such as the movement of tectonic plates
  3. 3. A supercontinent comprised of all 7 continents combined that existed 200 million years ago
  4. 6. the great size or extent of something
  5. 7. the area around the Pacific Ocean that has many volcanoes and earthquakes