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Science Test # 3

QuestionAnswer
minutes used for latitude and longitude has 60 egual parts
1 minute='s 1.85km
seconds each minute is divides into 60 equal parts
meridians/ longitude angular distance, east or west of the prime meridian
PRIME meridian 0 degresse longitude goes through greenwhich england
geographic north pole true north
washington 39 degresse North38 degresse 53'38 degresse 53' 51" 77 degresse west38 degresse 53' 51"n, 77 degresse 33"
North and south geographic poles reference points for establishing directions
Parallels/ latitude circles that run east and west around the world parallel to the equator, measures north or south
great circle line that circles the earth & didvie=des the globe into two halfs
magnetic compass helps indicate direction
GEOMATIC POLES POINTS OF THE EARTH SURFACE JUST ABOVE THE POLES THE IMAGINARY MAGNET
MAGNETIC DECLENATION ANGEL B/T THE DIRECTION OF THE GEORAHPIC POLES & THE DIRECTION COMPASS
MELBOURE, AUSTRALIA 39 DEGREES S
How is a Mercator map made Wrap a cylinder of paper around a lightedglobe
What are advantages of the Mercator projection acurate at equator, all compass dires appears in straight lines, all mederans and paralles are shown correctly
What are disadvantages of Mercator projection not aquate at poles, only areas near equator are shown with accuracy, distorts distances b/c regions of land & distorts
How is gnomonic projection made a sheet of paper touching a lighted globe at on ly one point produces a gno pro
What is advantages of gnomonic little distortion occurs at the point of contact, great help to navigators in finding circle
Disadvantage of gnomonic projection distortion is great when you move away from the source on contact
how is a conic map projection made paper cone placed over a lighted globe
what is advantage of conic map projection closer view of an area gives a detailed map
what is disadvantage of conic map projection all areas except designated is distorted
Created by: Kasikg
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