Physical Geography Crossword Puzzle

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Across
  1. 3. The largest areas of land on the earth
  2. 4. The surface layer of the earth on which vegetation grows.
  3. 6. The largest bodies of water on the earth.
  4. 8. The study of everything living on the earth.
Down
  1. 1. Dry area where very few plants grow.
  2. 2. An area with several things in common that set it apart from other areas of the world.
  3. 3. The weather pattern of a place over time.
  4. 5. Covers 70% of the earth's surface
  5. 7. Flat drawing of the earth
  6. 9. One of the earth's most valuable metals.