Word study

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Across
  1. 3. one mode of transportation
  2. 4. A dress everyone wears at school
  3. 5. a shape with 8 sides
  4. 7. a group of 3 people
  5. 8. A sea animal with 8 arms
  6. 10. a British football team
  7. 12. When 3 siblings are borned together
  8. 13. a polygon with 5 sides
Down
  1. 1. a mythical creature with one horn
  2. 2. the 10th month in the year
  3. 4. Your own way to do things
  4. 6. a bike with 3 tires.
  5. 9. A big place where all the planets are
  6. 11. A way to sing together
  7. 12. A stand to hold electronics