Autumn Scavenger Hunt

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Across
  1. 3. I change colour at this time of the year.
  2. 5. I am shiny and brown but my case is green and prickly like a hedgehog.
  3. 6. I can be green and red and am a tasty treat at this time of year.
  4. 7. I am brown and thin and come from a tree.
  5. 13. I am in the shape of the letter 'v' and I am good at twirling.
  6. 14. I prefer wet weather so it is a good thing I have a cap.
  7. 16. I am brown and covered in scales.
Down
  1. 1. I am very small and have six legs.
  2. 2. I have a bill and like to dive under water.
  3. 4. I am so light that I help others go high up in the air.
  4. 8. I am long and pink and live in the soil.
  5. 9. Find me beneath your feet.
  6. 10. I am red or purple. Find me in a hedgerow.
  7. 11. I am made of silk and take a long time to spin.
  8. 12. I am hard and do not change with the seasons or passing years.
  9. 15. You are surrounded by me and my friends at JFK Arboretum.