melting ice

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Across
  1. 3. A big white animal in the Arctic
  2. 5. A black and white bird that cannot fly
  3. 7. Our planet
Down
  1. 1. It is not hot
  2. 2. You drink it
  3. 4. Big star in the sky
  4. 6. It is frozen water
  5. 8. It makes things warm