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Navigating Ancient Seas: Timeless Tools
Moderate difficulty suitable for most players
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Across
  • 2. Line where the earth’s surface and sky appear to meet
  • 3. Pivoted support allowing instruments to remain level on a ship
  • 4. Naturally magnetized rocks used as early compasses
  • 6. Device using the sun’s shadow to indicate time
  • 7. Tool for measuring angles of celestial bodies
  • 9. Magnetic tool that points toward the magnetic north
  • 10. Term related to sailors, ships, or navigation on water
  • 13. Method of estimating current position by previous known points
  • 15. Instrument for measuring angular distances between objects
  • 18. Device to measure a ship’s speed through water
Down
  • 1. A map used by sailors to plan routes across oceans
  • 5. Clock used to determine longitude at sea
  • 8. Water that collects in the lowest part of a ship’s hull
  • 11. Shape formed by three points, important in navigation calculations
  • 12. Instrument used to measure the altitude of stars and planets
  • 14. The upright beam at the ship’s rear used for mounting a rudder
  • 16. General term for someone skilled in navigation at sea
  • 17. Person responsible for steering a vessel
  • 19. Unit used to measure water depth, typically six feet
  • 20. Flat piece used to steer a ship through the water

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