polar land crossword

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Across
  1. 4. large flightless bird
  2. 5. area around artic ocean
  3. 6. the planet heating up
  4. 9. white big bear
  5. 10. moving river of ice
  6. 12. frozen continent
  7. 14. solid H2O
Down
  1. 1. layer of gas that protects most UV rays from earth
  2. 2. fast movement of air
  3. 3. soft ice
  4. 4. floating ice packed together
  5. 7. a seal with a with the name of a big cat
  6. 8. black and white dolphin that eats penguins
  7. 11. the melting of ice affects the ........
  8. 13. big floating piece of ice