Snow Day!

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Across
  1. 4. Where snow falls from
  2. 5. A snowpack that develops into a giant, slow-moving mass, like a frozen river
  3. 6. The number of points on a real snowflake
  4. 8. Frozen precipitation that shaped like a ball
  5. 9. A cascading slab of snow that rushes down a mountain
  6. 10. A fellow made by kids of three big snowballs stacked together
  7. 11. A snowstorm with strong winds and low visibility
Down
  1. 1. The ice that covers your car or your lawn on a chilly morning
  2. 2. The color of snow
  3. 3. What Santa rides in
  4. 4. The orderly, patterned arrangement of molecules in a solid
  5. 7. A beautiful snow crystal
  6. 10. A sport in which you glide across snow on two long blades attached to your feet