Ocean Technology

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Across
  1. 4. GPS stands for _______ Positioning System
  2. 5. nets towed behind a boat to collect organisms
  3. 6. Polynesians used _______ charts to navigate
  4. 8. Many ancient people used _______ navigation to guide them through the ocean
  5. 10. instrument for determining the angle between the horizon and a celestial body
  6. 12. Expendable bathythermographs
  7. 15. a type of map that is mostly water
  8. 17. National Oceanic and Atmospheric Administration
  9. 19. imaginary vertical lines on a map
  10. 21. Uncrewed Surface Vessels
  11. 22. a navigational tool that points to magnetic north
  12. 23. Remotely-Operated Vehicle
Down
  1. 1. Human-Occupied Vehicles
  2. 2. A spacecraft orbiting the Earth
  3. 3. Making a 3D surface out of 2D photos
  4. 7. Measures changes in Earth's magnetic field
  5. 8. sensors that collect conductivity, temperature, and depth measurements
  6. 9. Synthetic Aperture Sonar
  7. 10. SOund NAvigation and Ranging
  8. 11. imaginary horizontal lines on a map
  9. 13. an early type of submarine
  10. 14. National Aeronautics and Space Administration
  11. 16. Acoustic _______ Current Profiler (ADCP)
  12. 18. Autonomous Underwater Vehicle
  13. 20. Geographic Information Systems