EARTH SCIENCE

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