Winter crossword puzzle

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Across
  1. 1. frozen spikes
  2. 5. vehicle that clears snow from the streets
  3. 6. Jack _____
  4. 7. house made of ice
  5. 9. African American holiday (26-12 until 01-01)
  6. 10. spending the winter in a dormant state
  7. 12. the cooling effect of wind blowing on a surface
Down
  1. 1. sport played with a puck
  2. 2. thick water vapor that makes it hard to see
  3. 3. heavy snowstorm
  4. 4. direction that birds fly in winter
  5. 8. flightless seabird of the southern hemisphere
  6. 11. become liquid by heat