Ch 1.2 Vocabulary: Changes Within the Earth

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Across
  1. 2. Earth's center, filled with hot metal of iron and nickel.
  2. 6. area of volcanoes surrounding the Pacific Ocean
  3. 8. theory that the earth was once a single, large continent.
  4. 10. thick layer of rock around Earth's center.
  5. 11. tectonics moving parts of Earth's crust.
  6. 12. large landmasses in the ocean.
Down
  1. 1. the science of earth's physical structure and natural history.
  2. 3. the difference in elevation between the highest and lowest points.
  3. 4. when rock layers buckle and bend.
  4. 5. Earth's thin and rocky surface layer.
  5. 7. molten rock that breaks through the Earth's surface.
  6. 9. breaks in the Earth's crust.