Materials
Which answer is closest to the shape of the Earth? - ✔✔Geoid
GIS could be considered an example of ArcGIS Pro as learned in labs. T/F. - ✔✔False
A global datum is defined using a globally measured ellipsoid centered at the earth mass center,
which perfectly fits everywhere on Earth's surface. T/F. - ✔✔False
Which answer was the first GIS? - ✔✔Canada Geographic Information System (CGIS)
Which answer is directly developed by the Mean Sea Level (MSL) approach? - ✔✔Geoid
Which datum is used for Global Positioning Systems (GPS)?
Correct! - ✔✔World Geodetic System of 1984 (WGS84)
GIS is used for what? - ✔✔the capturing, storing, querying, analyzing, and displaying of spatial
data.
A datum represents what? - ✔✔the size and shape of earth
Although ellipsoids are preferred for the development of map projections, we still use geoids for
defining the z-value (elevation). T/F. - ✔✔true
Within a map projection, measures are most accurate where the projection surface touches the
sphere. T/F. - ✔✔true
, A map projection involves the process of transforming what? - ✔✔a three-dimensional surface
to a two-dimensional surface.
Which answer is INCORRECT regarding latitude and longitude? - ✔✔Latitude is measured from
the Greenwich meridian while longitude is measured from the Equator.
What type of map projection is shown below? - ✔✔Cylindrical Projection
Goode's Homolosine projection uses a combination of projections to preserve both area and
shape. T/F. - ✔✔false
An azimuthal map projection preserves direction between all points in a map. T/F. - ✔✔false
A 1:5,000,000 scale map is a relatively small scale map compared to a 1:24,000 scale map. T/F. -
✔✔true
Both distance and direction from the central point are preserved in an Azimuthal Equidistant
projection. T/F. - ✔✔true
State Plane Coordinate (SPC) System is less universal than Universal Transverse Mercator (UTM).
T/F. - ✔✔true
Zones in a State Plane Coordinate (SPC) System follow county boundaries. T/F. - ✔✔true
Current State Plane Coordinate (SPC) Systems are based on the North American Datum 1983
(NAD83), units in feet. T/F. - ✔✔false