unit 4a vocab

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Across
  1. 2. the sideways and downward movement of the edge of a plate of the earth's crust into the mantle beneath another plate.
  2. 5. is a linear feature that exists between two tectonic plates that are moving away from each other.
  3. 10. a line on a map joining points of equal height above or below sea level.
  4. 11. are formed by the movement of large crustal blocks when forces in the Earth's crust pull it apart.
  5. 12. form mainly by the effects of folding on layers within the upper part of the Earth's crust.
Down
  1. 1. rigid outer part of the earth, consisting of the crust and upper mantle.
  2. 3. is an actively deforming region where two (or more) tectonic plates or fragments of the lithosphere move toward one another and collide.
  3. 4. is a type of map characterized by large-scale detail and quantitative representation of relief
  4. 6. height above a given level, especially sea level.
  5. 7. is the uppermost layer of the oceanic portion of a tectonic plate.
  6. 8. is an underwater mountain range, formed by plate tectonics.
  7. 9. is a type of fault whose relative motion is predominantly horizontal, in either a sinistral or dextral direction