Landform Riddles

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Across
  1. 4. Where there is a supply of water in the desert
  2. 5. A part of a river that is also on your face
  3. 6. A large sheet of ice in the ocean. I am what sunk the Titanic
Down
  1. 1. A hilly landform that is at the base of a mountain range
  2. 2. A ring of island in the ocean
  3. 3. A place on the shore where boats can safely anchor
  4. 7. A man-made irrigation and navigation water system