Super Challenge

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Across
  1. 5. A Christmas lunch
  2. 6. A type of trip
  3. 8. Something people hang up on their windows
  4. 10. Shape with no corner or straight edges
  5. 11. Going left or right
  6. 12. Christmas tree
Down
  1. 1. Opposite of better
  2. 2. Even more than longer
  3. 3. Found in an oyster
  4. 4. When you hear sounds
  5. 7. Watching carefully
  6. 9. Helps a doctor