Earth Vocab Words

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Across
  1. 3. the organic component of soil
  2. 6. the formation of a new area in the ocean
  3. 10. a ring of volcanos that spew lava
  4. 14. when two plates come together
  5. 18. a big irregularly shaped stone slab of rock under the surface
  6. 20. the moving of continents of over a period of time
  7. 21. a set of stress directed toward the center of a rock
  8. 22. a long narrow ditch in the ground
  9. 23. stress that stretches parts of the earth in different directions
  10. 24. a large natural elevation of the earth's surface rising abruptly from the surrounding level
  11. 25. a shear wave
  12. 28. a sudden and violent shaking of the ground
  13. 30. to break off or cause something to break off
  14. 31. a large land mass
  15. 32. a seismic wave that travels on the surface of the earth instead of through it
Down
  1. 1. the solid outer part of the earth
  2. 2. a sticky fine-grained piece of earth
  3. 4. a wave caused by a earthquake
  4. 5. two plates sliding past each other
  5. 6. the sideways and downward movement of the edge of a plate of the earth's crust into the mantle beneath another plate
  6. 7. the upper layer of earth´s mantle
  7. 8. a hot dense ball of mostly iron
  8. 9. the outer shell of the planet
  9. 11. a piece of fertile soil containing sand and soil
  10. 12. a primary wave or a pressure wave
  11. 13. when two tectonic plates move away from each other
  12. 15. a large area of land made by rivers and shifting land masses
  13. 16. the upper layer of earth in which plants grow, a black or dark brown material typically consisting of a mixture of organic remains, clay, and rock particles
  14. 17. a fluid that results from convection
  15. 19. the liquid material near the center of planets
  16. 22. a long high wave caused by an underwater earthquake, a submarine landslide, or other disturbance
  17. 26. a mountain or hill having a crater or vent where lava comes through
  18. 27. a fracture or multiple between two rocks
  19. 29. the solid bulk of earth´s interior