SCALES
SYSTEM OF MESURMENT
NAUTICAL
SCALES 2
GOING SOMEWHERE?
100
what does RF stand for
What is Representative Fraction
100
What are some of the different measurement units for map
What is Yard, cm, km, miles, inches…
100
is the Nautical Mile and the Sea Mile the same?
What is no.
100
“1 centimeter on the map represents 500m on the ground". A distance of 1cm on the map corresponds to 500m on the earth's surface
What is a Verbal scale?
100
One map unit equals one ground unit.
What does 1:1 mean?
200
What does convert RF to direct statement means
Means that you have to divide the distance on the ground by the unit of the scale you are using
200
Is RF in cm, inches, m, km, or all of the above?
All of the above… RF does not have any dedicated units.
200
1/50 000. That means that one unit of measurement on the map is equal to 50000 of the same unit on the ground
What is a fraction scale?
200
Where is the mile used?
What is In the USA
300
When was the metric system put in place?
What is At the beginning of the French Revolution. 1789.
300
12754 land units for every map unit
What does 1:12754 mean?
300
How many land units do you have, if the map scale is 1:50,000 and you are going 5 map units?
RF = 1:50,000 The map distance from point A to point B is 5 units, 5 x 50,000 = 250,000 units of ground distance
400
Using the map scale, measure the distance between 2 points and multiply by the RF
What is How to measure distance on a map
400
What unit does China use?
What is The metric system
400
Why can’t you use longitude in a nautical scale?
The lines of longitude converges in the North and South Pole
400
Where is the Yard used?
What is in the USA
500
A visual line that shows the relationship between a distance on the map and the real world
What is What is a bar scale?
500
how long is a nautical mile?
What is About 1,852 metres
500
Name the best unit of measurement: Mile, Nautical Mile, or Kilometer?
What is the Nautical Mile
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