Glaciers

12345678910111213
Across
  1. 3. Bowl-shaped basin at glacier head.
  2. 4. Ridge of glacial till rocks/sediment.
  3. 5. Large floating chunks of ice.
  4. 6. Flooded glacial valley.
  5. 8. Process of glacier formation/movement.
  6. 11. Deep crack in glacier ice.
  7. 13. Melting/sublimation of ice.
Down
  1. 1. Scratches on rock from glaciers.
  2. 2. Wearing away of land by ice.
  3. 7. The fundamental substance Blue ICE in some puzzles).
  4. 9. When ice breaks off to form icebergs.
  5. 10. Elongated hill of glacial till (sheep rock).
  6. 12. U-shaped glacial valley.