The best crossword ever! By Ash

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Across
  1. 4. to investigate or study something.
  2. 7. a field of science that uses chemicals.
  3. 8. being passionate about some thing.
  4. 9. make a choice.
  5. 10. a person who controls a state or organisation.
  6. 11. getting bigger.
  7. 13. a person who works with eletrical equiptment.
  8. 14. a big and expensive house.
  9. 16. only the most obvious or general aspect of something.
  10. 17. to find out how long something is.
  11. 18. someone who is in charge of a town.
Down
  1. 1. to make or build something new.
  2. 2. a doctor.
  3. 3. to split something into groups.
  4. 5. a person who has rights.
  5. 6. something valuable.
  6. 7. to admit to what you did.
  7. 12. being pushed to do something.
  8. 15. most.