EARTH SCIENCE

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Across
  1. 2. is a layer inside a planetary body
  2. 4. crust, is the crust that is ender the world
  3. 5. lithosphere, Divided into several parts
  4. 9. drift, Slow movement of continents
  5. 10. spreading, The process that continually adds new material to the ocean floor
  6. 12. is a record written by a seismograph
  7. 14. relating to the structure of the earth's crust and the large-scale processes which take place within it
  8. 20. The central or innermost portion of the Earth
  9. 22. Center of an earthquake
  10. 25. Andreas Fault, It is one of the most famous transform fault
  11. 27. the upper layer of the earth's mantle
  12. 28. current, The cycle of heating, rising, cooling, and sinking is
  13. 29. push, Possible causes of plate movements are
  14. 30. a supercontinent that incorporated almost all the landmasses on Earth
  15. 31. is a geological process that takes place at convergent boundaries of tectonic
  16. 32. boundary, type of boundary do plates moves away from each other
  17. 34. is extremely hot liquid and semi-liquid rock located under Earth's surface
  18. 35. Forms from the mantle and its recycled back into the mantle
  19. 36. Wegener, is the scientist who made the theory on continental drift
  20. 37. Hess, The seafloor spreading theory was proposed by
Down
  1. 1. deposits, Evidence that Africa was once cold
  2. 2. range, Series of mountains
  3. 3. Form mostly at converging and diverging plate boundaries
  4. 6. is the instrument used to mapped the mid-ocean ridges
  5. 7. Reptile fossil found in South America and Africa
  6. 8. plumes, is an upwelling of abnormally hot rock within the Earth's mantle
  7. 9. is the outermost layer of a planet
  8. 11. spot, a concentration of heat in the mantle capable of creating magma
  9. 13. ridge, is a seafloor mountain system formed by plate tectonics
  10. 15. where one plate moves under another
  11. 16. boundary, Mountains are formed at
  12. 17. Island arc, a chain of volcanoes that develop parallel to a trench
  13. 18. form the longest mountain ranges on the earth
  14. 19. are long, narrow depressions on the seafloor
  15. 21. Occur at all three types of boundaries
  16. 23. is the mineral that's a major component or continental crust
  17. 24. trenches, narrow basins which extend 8-11 km below sea level
  18. 26. waves, Move faster through denser or move rigid materials
  19. 33. boundary, Two plates sliding past each other