Exploring Our Fluid Earth

Teaching Science as Inquiry

 

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Further Investigations: Locating Points on a Globe

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Further Investigations: Locating Points on a Globe
  1. Why is it necessary to have a prime meridian? Before an international agreement ratified Greenwich, England, as the prime meridian’s location in 1884, how did people locate and travel to places and specify dates and times?
     
  2. We refer to areas as the “middle east” or “far east”, and to practices like “western medicine.” Do these place names refer to the lines of longitude? Why or why not?
     
  3. What is Greenwich Mean Time (GMT) and Coordinated Universal Time (UTC)? How are these related to Zulu time?
     
  4. Research and explain how astronauts keep time.
     
  5. What is daylight saving time? Why is it controversial?
     
  6. Calculate the circumference of the earth in nautical miles along any meridian of longitude.
     
  7. What types of projections other than those represented in the Mapping the Globe Activity are used to represent the surface of the earth? How are these projections made?
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.