unit 3 vocabulary

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Across
  1. 2. places where plates slide sideways past each other.
  2. 8. the rigid outer part of the earth, consisting of the crust and upper mantle.
  3. 11. a scientific theory that explains how major landforms are created as a result of Earth's subterranean movements.
  4. 12. the force applied to a rock and may cause deformation.
  5. 13. a major geologic discontinuity or suture marking the juncture of lithospheric plates that have been joined by plate tectonics
  6. 14. a change in shape or size resulting from applied forces (deformation).
  7. 19. a geologic process in which tectonic plates—large slabs of Earth's lithosphere—split apart from each other
  8. 20. occurs when two tectonic plates move away from each other
  9. 21. the gradual movement of the continents across the earth's surface through geological time.
  10. 22. cause (rock strata) to undergo bending or curvature.
  11. 23. long chains of active volcanoes with intense seismic activity found along convergent tectonic plate boundaries.
  12. 24. formed from pre-existing rocks or pieces of once-living organisms.
Down
  1. 1. a cluster of parallel faults.
  2. 3. a naturally occurring inorganic element or compound having an orderly internal structure and characteristic chemical composition, crystal form, and physical properties.
  3. 4. a measure of its relative resistance to scratching, measured by scratching the mineral against another substance of known hardness on the Mohs Hardness Scale.
  4. 5. the equilibrium that exists between parts of the earth's crust, which behaves as if it consists of blocks floating on the und
  5. 6. a long, seismically active submarine ridge system situated in the middle of an ocean basin and marking the site of the upwell
  6. 7. started out as some other type of rock, but have been substantially changed from their original igneous, sedimentary, or earlier metamorphic form.
  7. 9. the upper layer of the earth's mantle, below the lithosphere, in which there is relatively low resistance to plastic flow and
  8. 10. the study of the Earth's magnetic field preserved in rocks.
  9. 15. an opening in the Earth's crust through which lava, ash, and gases erupt.
  10. 16. a web of processes that outlines how each of the three major rock types—igneous, metamorphic, and sedimentary—form and break down based on the different applications of heat and pressure over time.
  11. 17. an extended break in a body of rock, marked by the relative displacement and discontinuity of strata on either side of a part
  12. 18. form when hot, molten rock crystallizes and solidifies.
  13. 20. a change in the shape or dimensions of a body, resulting from stress; strain.