All Things Cold

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Across
  1. 2. Type of plant that keeps its leaves in cold
  2. 5. Fast-moving mass of snow
  3. 9. Floating chunk of ice
  4. 11. Ice flakes
  5. 13. Star used for navigation in Earth's northen hemisphere
  6. 15. The "northern" in "northern lights"
Down
  1. 1. Period of dormancy exhibited by cold-blooded animals
  2. 3. Frozen moon of Saturn
  3. 4. Permanently frozen subsurface layer of soil
  4. 6. Lumps of ice that fall from clouds
  5. 7. Flightless southern bird
  6. 8. Northernmost part of the globe
  7. 10. State of reduced activity & metabolism alternative to hibernation
  8. 12. Slow-moving ice on land
  9. 14. Coldest city in the world