Fields' Crossword Puzzle

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Across
  1. 2. Happening every two weeks
  2. 4. A shape that is made up of three lines and three angles
  3. 6. The state of being in full agreement : harmony
  4. 7. An imaginary animal that looks like a horse and has a straight horn growing from the middle of its forehead
  5. 9. To divide (something) into two equal parts
Down
  1. 1. Able to speak and understand two languages
  2. 3. A flat shape that has five sides and five corners
  3. 5. When people do something together at the same time
  4. 7. Very special or unusual
  5. 8. A flat shape that has eight sides and eight angles