Topic 3 - Topographic Maps Flashcards
1
Q
Topographic
A
Shape of the land
2
Q
Natural features
A
Parts that are naturally occurring
3
Q
Constructed
A
Made by man
4
Q
Perennial river
A
Flows throughout the year
5
Q
Trigonometric beacon
A
A triangle showing the exact height of a place , and its own own number
6
Q
Benchmark
A
A map symbol with an arrow , showing the exact height of a place , in decimal numbers
7
Q
Ratio
A
Compares one number to another number of the same unit
8
Q
Line scale
A
A line that marks the distance on a map compared to distance on the ground
( 100 cm - 1 metre
1 000 cm - 10 metres
10 000cm- 100 meters
100 00cm- 1000 metre or one kilometre )
Also 1cm on the map represents 50 000cm on the ground
9
Q
Alpha-numeric grid
A
A grid with letters and numbers
