Parts of a compass
The bottom of our compass is called the base what?
Plate
South in degrees
180
Which way do lines of latitude run?
East West or horizontally
If the scale of your map is 1:50 000, 2 cm on the map represents how far in meters on the ground?
1000m
On steep terrain the contour lines will be?
Close together
This points to magnetic north
Needle
East in degrees
90
What are lines of latitude also called?
Parallels
When giving a grid reference which comes first northings or eastings?
Eastings
On a topographic map a hill or knoll will be represented by?
Concentric circles
The arrow we point toward our destination is called?
Direction of travel arrow
South east in degrees?
135
The 0 degree line of longitude runs through where?
Greenwich, England
If the contour interval is 20m, and your current elevation is 160m how many contour lines must you cross to reach sea level?
Seven
How would you tell the difference between a hill and a depression?
On a hill the elevation increases toward the centre of the circles. In a depression the elevation decreases.
Where we read our bearing
Index line
Direction if your bearing is 315o
North West
Lines of latitude go up how many degrees?
90 North & 90 South
In WA when converting from grid bearing to magnetic bearing do you add or subtract the magnetic declination?
Add
On a topographic map a saddle would look like?
An Hourglass
The name for the parallel lines inside the housing?
Orienting lines
Direction if your bearing is 112.5o
East South East
You travel from the equator, due south to the second parallel (2 degrees of latitude).
How far have you traveled?
120 Nautical Miles
The difference between magnetic north and true north is called?
Magnetic declination or variation
Spurs are typically attached to?
Ridges