Crossword Puzzle

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Across
  1. 2. A fracture or zone of fractures between two block of rocks
  2. 4. It happens when two blocks of the earth suddenly slip past each other
  3. 7. The plates moves appart, (extensional)
  4. 8. Earth's outer shell that is divided into large slabs of solid rocks
Down
  1. 1. Plates slide past each other, (shearing)
  2. 3. Isostasy that calculates the lithosphere compression to a certain load
  3. 5. Plates move towards each other, (compression)
  4. 6. Earth's Solid outer layer which includes the crust and the uppermost mantle
  5. 8. Type of isostasy that assumes in equal density and unequal mass for different crustal section
  6. 9. Type of isostasy that predicts topography