Crossword

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Across
  1. 2. - ________ officers are people who enforce the law.
  2. 4. - ________ is the gas that humans need to breathe.
  3. 8. - A ________ is a doctor who takes care of teeth.
  4. 10. - A ________ is a machine that can perform calculations and store data.
  5. 13. - A ________ is a structure that allows people to cross rivers.
  6. 15. - A ________ is someone who educates students.
  7. 17. - A ______ person is someone who can't see.
  8. 18. - An _______ is a person who writes books.
  9. 19. - A ________ is a musical instrument with strings.
  10. 20. - A ________ is a mountain that erupts with lava.
Down
  1. 1. - A ________ is a place where you can borrow books.
  2. 3. - A _________ is a person who extinguishes fires.
  3. 5. - An ________ is a bird that is known for its sharp eyesight.
  4. 6. - Superman is a superhero who gets his power from the _____.
  5. 7. - An _________ is a person who travels to space.
  6. 9. - An _______ is a machine that powers vehicles.
  7. 11. - A ________ is a place where historical artifacts are displayed.
  8. 12. - A _________ is a place where water flows over a vertical drop.
  9. 14. - A _______ is a person who treats sick people.
  10. 16. - A _______ is someone who cooks food professionally.