Unit 14 and 15 GLR

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Across
  1. 1. based on the number ten
  2. 2. a group of eight, such as eight lines or eight musical notes
  3. 7. a period of ten years
  4. 8. an officer in ancient Roman army, which originally had 100 men
  5. 10. a group of seven singers or musicians who perform together; a piece of music that is meant to be performed by seven people
  6. 12. the ninth month of the year, formally the seventh
  7. 13. relating to the temperature scale in which the boiling point of water is at 100 degrees and the freezing point of water is at 0 degrees
  8. 16. a flat shape that has eight sides and eight angles
  9. 17. a 2-dimensional figure that has six sides and six angles
  10. 18. lasting for seven years; happening every seven years
Down
  1. 1. one tenth of a meter; ten centimeter
  2. 3. a sea animal that has a soft body and eight long arms
  3. 4. a sixth of a circle; an instrument used to determine the position of a ship or airplane
  4. 5. a person who is between 70 and 79 years old
  5. 6. a length equal to 1/100 meter; ten millimeter
  6. 8. a period of one hundred years
  7. 9. a nine sided polygon
  8. 11. one part in a hundred; an amount that is equal to one one hundredth
  9. 14. the eleventh month of the year, formally the ninth
  10. 15. the tenth month of the year, formally the eighth