Vocab Choice Assigment Science B bell Eliana C.

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Across
  1. 4. long chains of undersea mountains
  2. 6. an ancient, huge landmass composed of earlier forms of today' continents
  3. 7. a process that involves a lithospheric plate sinking into the atmosphere
  4. 9. a lithospheric plate boundary where two plates come together
  5. 10. a lithospheric plate boundary where two plates slide by each other
Down
  1. 1. a theory explaining the structure of the earth's crust
  2. 2. thick, less-dense lithospheric plates that are made of granite and form the continents
  3. 3. the idea that continents move around on Earths surface
  4. 5. heated lower mantle rock that rises toward the lithosphere because it is less dense thn the surrounding mantle rock
  5. 8. thin,less dense lithospheric plates that are made of basalt and form the ocean floor