Metric Crossword

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Across
  1. 2. This prefix means 1 thousand.
  2. 5. You measure mass with this piece of equipment.
  3. 7. This prefix means 1 trillion.
  4. 8. Olympic weights are measured in ___.
  5. 10. The width of a paperclip is about ___.
  6. 13. One meter is one thousand ___.
  7. 16. Abbreviation for milliliter.
  8. 18. Tool used to measure volume.
  9. 21. This prefix means one-hundredth.
Down
  1. 1. Country which named the current metric system.
  2. 3. Metric unit for volume.
  3. 4. Metric unit for mass.
  4. 6. Scale used to measure temperature based on the temperatures at which water boils and freezes.
  5. 8. Abbreviation for kilometer.
  6. 9. Water freezes at ___ degrees Celsius.
  7. 11. Any measurement system based on 10 is known as this.
  8. 12. Liters measure this characteristic.
  9. 14. This prefix means 1 million.
  10. 15. Milli- means one-___.
  11. 17. Le Systeme Internationale d'Unites
  12. 19. A meter is a unit to measure ___.
  13. 20. This prefix means 1 billion.