Terr/Terra/Geo = Land/Earth

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Across
  1. 4. almost completely surrounded by land
  2. 7. out of this world
  3. 8. the study of the earth, including rocks
  4. 9. a hollow stone found on the earth line with crystal
  5. 10. raised flat mound of earth with sloping sides
Down
  1. 1. under the surface of the earth
  2. 2. a person who studies regions of earth
  3. 3. the science of the earth
  4. 5. an area, region, or piece of land
  5. 6. baked earth; hard, brownish red pottery