Christmas puzzle

1234567891011
Across
  1. 4. Christmas starts when this symbol appears in the sky
  2. 5. a Christmas song
  3. 6. its his birthday on Christmas day
  4. 8. Santa's transport
  5. 9. a traditional Christmas dish
  6. 10. we put them up on Christmas tree
  7. 11. christmas decoration usually on the door
Down
  1. 1. they pull Santa's sleigh
  2. 2. every good child gets it from Santa
  3. 3. they help Santa make presents
  4. 4. children make it in snowy weather
  5. 7. Santa gets into houses through it