Plate Tectonics

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Across
  1. 1. The outermost layer of the earth.
  2. 4. What is magma called once it has reached the surface of the earth?
  3. 5. The type of plate boundary that plates move towards each other.
  4. 6. An example of an oceanic trench is the ___________ trench, found between the Pacific and Philippine plate.
  5. 7. The type of crust that is denser and will subduct.
  6. 8. __________ mountains form when continental crust collides with another continental crust.
Down
  1. 1. What is in the center of the earth?
  2. 2. The long, narrow depression found at subduction zone.
  3. 3. The material that makes up the mantle.
  4. 5. The type of crust that Ms Seah says resemble the characteristics of marshmallow.