Known and unknown Science Facts

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Across
  1. 5. is the most earthquake country
  2. 6. world largest bridge
  3. 7. is the best place to see rainbow
  4. 8. is the youngest country in the world
  5. 9. male species give birth to young one
  6. 12. oldest living tree in the world
  7. 13. largest particle accelerator
  8. 15. breath through their butts
  9. 16. is hottest planet in our solar system
Down
  1. 1. world largest manmade oyster reef created
  2. 2. world largest amphibian
  3. 3. is the first scientist awarded two noble prizes
  4. 4. has 3 hearts
  5. 10. true carnivores
  6. 11. is the oldest profession in the world
  7. 12. have over 100 vocal sounds
  8. 14. home video games developed first
  9. 17. has more islands than any other countries