Crossword Puzzle

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Across
  1. 3. this is our planet
  2. 4. a theory explaining the structure of the earth's crust
  3. 5. occurs when two tectonic plates move away from each other
  4. 8. an area on Earth where two or more lithospheric plates collide
  5. 9. the part of the Earth's crust that makes up the seafloor
  6. 10. place where the fault can be seen or mapped on the surface
Down
  1. 1. the rigid outer part of the earth, consisting of the crust and upper mantle
  2. 2. flows to earth and has a magnitude that depends on the method of system earthing
  3. 6. a mountain or hill, typically conical, having a crater or vent through which lava, rock fragments, hot vapor, and gas are being or have been erupted from the earth's crust.
  4. 7. the relatively thick part of the earth's crust that forms the large landmasses