Mapping Quiz Flashcards
Map
A flat model of all or part of earth’s surface as seen from above
Globe
A sphere that represents earth’s entire surface
Scale
Relates distance on a map to a distance on earth’s surface
Symbols
Used by map makers and can be shapes or pictures to stand for features on earth’s surface
Equator
An imaginary line between the north and south poles
Prime meridian
Imaginary line connecting North and south poles
Degree
Is 1/360 of a way around a circle
Latitude
Distance in degrees north or south of the equator
Longitude
Distance in degrees east and west of prime meridian
Map projection
Framework of lines that helps in transferring points on earth’s 3-d surface onto a flat surface
Mercator-projection
Lines straight, land near poles distorted
Equal-area projection
Distorts shapes around edges of map
Conic projection
Longitude lies straight, latitude lines curved
Surveying
Process where mapmakers determine distances and elevations using instrument and the principles of geometry.
Global Positioning System (GPS)
A metaphor of finding latitude, longitude, and elevation of points on earth’s surface by using a network of satellites
Satellite images
Pictures of earth’s surface made up. Of thousands of tiny dots called pixels
Topographic map
Map showing the surface features of an area using symbols to portray the land as if you were looking from above
Contour lines
Represent elevation, relief and slope and connect points of equal elevation
Contour intervals
Change in elevation from one contour line to another
Index contours
Darker line than the others and are labeled with the. Elevation above sea level in round units
