Discover How

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Across
  1. 3. cold dairy treat for a hot day
  2. 7. fish need ____ oxygen
  3. 8. to blow-up
  4. 9. needed to fly
  5. 11. every day at Discovery Camp
  6. 12. good thing to do with paper
  7. 13. very dry habitat
  8. 14. write a note with ___ ink
  9. 17. active during the day
Down
  1. 1. desert plant
  2. 2. water with out salt
  3. 3. no backbone
  4. 4. paper airplanes are made by ___ paper
  5. 5. paper making frame
  6. 6. code with dashes and dots
  7. 7. crack a code
  8. 10. active at night
  9. 15. bad stuff in water
  10. 16. use a ___ for a backwards message