Models
A simplified image that models a part of the earth's surface that is two-dimensional
map
North, south, east, west
cardinal directions
The arrows on many maps point in this direction
north
A map projection with its point of contact in the center of North America
oblique projection
The highest possible number for a longitude reading (degrees)
180 degrees
Maps used to navigate at sea
chart
You would find this at 0 degrees latitude
Equator
Sailors needed an accurate clock before they could accurately determine this
longitude
Maps of the polar regions
gnomonic projection
This passes through the Pacific Ocean and does not follow the length of the 180 degree meridian perfectly
International Date Line (IDL)
A map that you would use to show the true shape of a continent
globe
Geographic coordinates include these two numbers of a location
latitude
longitude
Plotting geographic coordinates on a map to see one's location
position fix
They use map projections to transfer points from a sphere to a plane
cartographers
A degree of this near the Equator and one near the North Pole are nearly the same length in miles
latitude
A person who makes maps
cartographer
All of these are halves of great circles
meridians
A good reason for checking this on a map is to see how old the map is to see how accurate you can expect it to be
copyright statement
A map projection plane that touches the globe of the earth at either the North or South Pole
polar projection
1 degree equals this
60 minutes (or 60 nautical miles)
A map feature that expresses the ratio of two numbers that indicate the relative size and detail of the features shown on the map
map scale
The precise latitude and longitude values of your location identify this
geographic position
DAILY DOUBLE
Describe three ways that technology (GIS/GPS) can allow us to fulfill the Creation Mandate by protecting lives and property.
These projections reduce the distortion of maps displaying the earth's surface in the middle latitudes
conic projections
No map can show all of the details of this
earth's surface