Word Cells 7

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Across
  1. 5. the outer boundary of a figure
  2. 6. a measurement of 6080.27 feet
  3. 8. the number named by a unit with six zeros after it
  4. 10. the basic unit of length used in the metric system
  5. 11. a measure of length equal to one-thousandth of a meter
  6. 12. Russian word for one who travels in space
  7. 14. a measure of length equal to one thousand meters
  8. 16. a measure of length equal to one-hundredth of a meter
  9. 17. a small crawling animal having many pairs of legs, but definitely not one thousand
  10. 18. a very accurate instrument for measuring time
  11. 19. an instrument that measures how well one hears
Down
  1. 1. an instrument used for measuring heights or altitudes
  2. 2. of or pertaining to seamen, navigation, or ships
  3. 3. a measure of length equal to one hundred meters
  4. 4. an instrument that records the distance a walker covers
  5. 7. the pilot of a spaceship
  6. 9. consisting of a period of one thousand years
  7. 13. an instrument for measuring temperature
  8. 15. a measure of length equal to one-tenth of a meter
  9. 20. a measure of length equal to ten meters