Plate Tectonics

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Across
  1. 4. area around the North Pole or the South Pole
  2. 6. a large land mass separated from other land masses by oceans
  3. 8. scientific study of the deformation of the rocks that make up the Earth's crust and the forces that produce such deformation.
  4. 11. a name for all sediment
  5. 13. the mostly solid bulk of Earth's interior.
  6. 14. separate different regions of Earth.
  7. 16. an area on Earth where two or more lithospheric plates collide.Plate
  8. 18. occurs when two tectonic plates move away from each other.
  9. 19. the solid, outer part of Earth.
Down
  1. 1. a fracture or zone of fractures between two blocks of rock.
  2. 2. what happens when two blocks of the earth suddenly slip past one another.
  3. 3. a central region in an economy, with good communications and high population density, which leads to its prosperity
  4. 5. preserved remains of plants and animals whose bodies were buried in sediments,
  5. 7. is the zone of the earth which lies beneath the lithosphere.
  6. 9. a super-continent that incorporated almost all the landmasses on Earth
  7. 10. the movement of particles through a substance,
  8. 12. a type of fault in which two tectonic plates slide past one another.
  9. 15. When magma flows onto Earth's surface
  10. 17. the outermost shell of a terrestrial planet.