Map work GIS

The typical South African topographic map has a scale of.....

• 1:50

• 1: 5000

• 1:50 000

• 1: 500 000

Orthophotos are photos onto which contours have been drawn and usually have a scale of ......

• 1: 10 000

• 1: 10

• 1: 100

• 1:50 000

Vertical aerial photographs are usually taken from......

• aeroplanes

• satellites

• tall buildings

• prominent high-lying features

An advantage of using an oblique aerial photograph is that .....

• objects in the foreground are hidden

• objects in the foreground are easy to identify

• objects in the background are larger than normal

• objects in the background are hidden

On a normal climate graph the temperature is recorded as a .................. graph and rainfall as a ...............graph

• pie and line

• pie and bar

• bar and line

• line and bar

Google earth images are taken from.......

• high flying aircraft

• satellites

• the space shuttle

• all answers are correct

Satellites that collect data that constantly radiates from earth is known as......

• active remote sensing

• passive remote sensing

• orbiting remote sensing

• satellite remote sensing

The detail with which a vertical photograph shows the location and shape of a feature is the .......

• spatial aspect

• spatial component

• spatial resolution

• spatial revolution

The data stored by a GIS is made up of different ........

• layers

• zones

• sectors

• precincts

Spatial data is organised in 3 types

• points, arrows and polygons

• points, lines and polygons

• points, levels and shapes

• positions, ranks and shapes