History of Time

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Across
  1. 5. The ______ cycle is defined by the Earths seasons.
  2. 6. Today we use the _______ calendar.
  3. 8. The ______ was used to indicate time length to track the hours during the day.
  4. 9. The ______ cycle keeps track of the excessive time periods of light and dark as the earth rotates on the Earth’s axis.
Down
  1. 1. The Babylonians got the number 60 from the ______.
  2. 2. The ______(counting in 60’s) system.
  3. 3. The _______ created a calendar of 12 months of 30 days with approximately 5 days for the solar year.
  4. 4. The_______ was used to track the time length to track the hours of the night.
  5. 7. The ______cycle keeps track of the phases of the moon