Spelling Unit 3 crossword puzzle

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Across
  1. 5. a shape with three corners and sides
  2. 6. something that occurs only twice a year
  3. 7. strong muscles located in the upper arm
  4. 9. a camera holder
  5. 11. the competition before the finals
  6. 12. *boom!
  7. 14. make or become one
  8. 19. *a branch of mathematics
  9. 20. where the solar system is and galaxies rome everywhere
  10. 21. a group of three
  11. 22. different than the others
Down
  1. 1. *extremely big
  2. 2. 3 times
  3. 3. a punctuation mark indicating a pause
  4. 4. *to notice or identify something
  5. 5. three people usually from the same family that look and sometimes act alike
  6. 8. another word for college
  7. 10. half a circle
  8. 13. *a person who is fluent in two languages
  9. 15. a transportation device with only two wheels
  10. 16. something used to see far away
  11. 17. something occurring twice during a month
  12. 18. bigger than the number million
  13. 20. a combination of people's voices singing together
  14. 22. together as one