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Question Set: Transportation and Ship Design

NGSS Crosscutting Concepts:

NGSS Disciplinary Core Ideas:

  1. Why do you think summer load-line markings are higher than winter markings?
     
  2. Why do you think freshwater load-line markings are higher than seawater markings?
     
  3. Sailors refer to tonnage by volume more commonly than tonnage by displacement. Suggest a reason for why the tonnage by volume measurement is more common.
     
  4. It can be very dangerous for a ship to have its fuel tanks or ballast tanks partially full in the event of a storm. Why do you think this situation is dangerous?
     
  5. Cargo ships are not the only systems that rely on ballast for stability. Cruise ships also maintain ballast systems. Why do you think cruise ships need ballast?
Exploring Our Fluid Earth, a product of the Curriculum Research & Development Group (CRDG), College of Education. University of Hawaii, 2011. This document may be freely reproduced and distributed for non-profit educational purposes.