earth puzzle

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Across
  1. 5. shell on the outside of Earth,
  2. 6. fracture or discontinuity in a volume of rock
  3. 7. innermost geologic layer of planet Earth
  4. 8. surface that is attributed to plate tectonics.
  5. 9. of silicate rock between the crust and the outer core.
  6. 10. rigid, outermost shell of a terrestrial-type planet or natural satellite
Down
  1. 1. of originally planar surfaces, such as sedimentary strata
  2. 2. third layer of the atmosphere,
  3. 3. hypothesis that the Earth's continents
  4. 4. where the volcano is rifting or splitting apart