Week 15 (geo + terr)

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Across
  1. 1. a rock with a cavity lined with crystals
  2. 2. study of Earth + how people use it
  3. 3. a sealed container where plans are grown
  4. 6. area of land under the government of a ruler
  5. 7. relating to the internal heat of Earth
  6. 8. existing, occurring, or done under the Earth's surface
Down
  1. 1. area of math
  2. 4. physical features of a tract of land
  3. 5. study of origin + history of Earth
  4. 6. patio or veranda