plate tectonics

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Across
  1. 3. are pieces of Earth's crust and uppermost mantle, together referred to as the lithosphere.
  2. 4. is the solid, outer part of the Earth.
  3. 6. the thin part of the earth's crust located under the ocean.
  4. 8. a sudden and violent shaking of the ground.
  5. 9. This type of heat transfer is called.
  6. 11. scientist who first proposed the theory that the continents drifted.
Down
  1. 1. zones, places where the seafloor is forced under continental plates.
  2. 2. an instrument used to detect and record earthquakes.
  3. 5. made of rock or ices are generally the largest and most massive layer of the planetary body.
  4. 7. where plates slide sideways past each other.
  5. 9. two plates move toward each other.
  6. 10. is an underwater mountain range, formed by plate tectonics.