Find me out

1234567891011121314151617
Across
  1. 4. The author of Harry Potter
  2. 7. The tallest mountain in the world
  3. 8. The country with the largest population
  4. 11. The largest internal organ in the human body
  5. 13. The author of Romeo and Juliet
  6. 14. A system of government ruled by a king or queen
  7. 15. The capital city of Canada
  8. 16. The most complex organ in human body
  9. 17. A natural satellite of the Earth
Down
  1. 1. The force that pulls objects toward the Earth
  2. 2. the continent with the most countries
  3. 3. A global network connecting computers worldwide
  4. 5. The system that controls body movement and reactions
  5. 6. The fastest land animal
  6. 9. The longest river in the world
  7. 10. A device used to observe distant objects in space
  8. 12. The scientist who developed the theory of relativity