Rafa's Crossword Challenge

1234567891011121314151617181920
Across
  1. 2. the creator of this world
  2. 3. you jump over them in athletics
  3. 4. scientists work in them
  4. 7. something that you wear to protect yourself
  5. 9. your doing one right now
  6. 10. you put letters inside of them
  7. 13. to have a good mindset
  8. 14. something that people use in the war
  9. 15. sometimes used to build houses
  10. 16. a rhyming version of writing
  11. 18. building material
  12. 19. overs over 70 percent of earth
  13. 20. an animal to keep you company
Down
  1. 1. to follow instructions
  2. 5. carrying something on your shoulders
  3. 6. a period over 2 weeks
  4. 8. understanding of topic
  5. 11. running
  6. 12. most contaminate to pollute
  7. 17. to be neat and tidy