Flashcards in Map Skills Deck (59):
What is a map?
À map is a representation, usually on a flat surface of a whole or part of an area
What are the disadvantages of a Mercator projection?
Countries appear larger the more we move toward the poles.
What are the advantages of a Mercantor projection?
It gives true compass bearings between points.
Direction and shape are accurate
What are the 6 requirements for a map?
Date of publication
How many time zones are there in Canada?
What are the three types of map?
What is a general purpose Map?
It is a map that is often used. (Google map)
Some features would be found are: bodies of water, roads, railway lines, parks, Elevations, and towns and cities.
What is a good trick to remember the cardinal points?
Never Eat Soggy Weiner
What kind information do you typically find on Thematic maps?
How did we get the point NNE near North?
Because it is near North and is between North and North-East
What is the purpose of Thematic maps?
To give very specific information about an area.
What are the North, East, South and West points on a map called?
They are called the cardinal points
How many points are there in total on a compass?
What Is the purpose of Topography maps?
To give info on the characteristics of a small area of Earth's surface in great detail.
What do Large-scale maps show?
They show large amount of details of a small area.
These maps are typically scaled in 1:50,000 or less
On a map, compass points are shown on a symbol called what?
À compass rose
What kind of details are usually found on Topography maps?
Special areas (city hall, cemetery, Marina, etc)
What is the black vertical line called?
What are bearings expressed as?
What are Large-scale maps used for?
What are grid systems used for?
To locate places
What is the black horizontal line called?
What are the the North-East, South-East, South-West and North-West points on a map called?
They are called Ordinal points
What are the three differences that is on a Map grid/Military grid?
Both axes uses numbers
The numbers appear not only outside the map but also sometimes within the map.
The numbers are in line with the gridlines and not in the space between them
What do Small-scale maps show?
They show small amount of details in a big area.
These maps are typically scaled 1:250,000 and up
What 5 advantages does a Winkel Tripel map projection have against a Mercator map projection?
It has a good balance between size, shape, distance, direction, and it has less distortion.
What style of map that's the only accurate way to represent the Earth?
À globe / à spherical projection
What are the columns on an Alphanumeric grid?
What is a Winkel Tripel map projection?
À Winkel Tripel map projection is an equal area projection.
What two things does an Alphanumeric grid use to help locate a place on a map?
Letters and numerals
What example can you think of that uses Alphanumeric grids?
The game of Battleship
What are the three types of grid maps?
Longitude and latitude,
Map grid / Military grid,
And Alphanumeric grids.
Is it possible to project a map of Earth onto a flat surface without creating some form of distortion or problem with measuring distances?
No, it isn't possible
What are the rows on an Alphanumeric grid?
What are Small-scale maps used for?
How can you remember how to find a place on a Map grid/Military grid?
Always look "right up"
What position does a GPS give you?
Longitude and latitude
What direction is East?
We know that because of WE
Using latitude and Longitude, what is the geographic centre of the world?
The gulf of guinea off the west coast of Africa
What is a latitude?
Is a line that refers to the north and south side of Earth.
What is a GPS?
À tracking device that pinpoints location anywhere on the planet using orbiting satellites.
When you cross the International Date Line moving westward, do you add a day Or lose a day?
You add a day
What is a Longitude?
Is a line that refers to the east and west side of Earth.
What does GPS stand for?
Global Positioning System
How many time zones are there in the world?
24 time zones with one hour time difference between them
When does the Daylight Savings Time happen in Canada and the USA?
It begins the second Sunday in March and ends in the first Sunday in November
What is a Representative Fraction Scale?
Is represented as a ratio I.e. 1:50,000
This means that 1 unit on the map represents 50,000 of the same units on the Earth's surface
What are uses for a GPS?
When you cross the International Date Line moving eastward, do you add a day Or lose a day?
You Lose a day
What is the definition of a scale in a map?
The scale of the map shows the relationship between the distance on a map and the actual distance on the Earth's surface
What what direction does the Earth rotate?
From West to east
What direction is West?
We know that because of WE
What three countries doesn't use Daylight Savings Time?
What is the time zone that runs through the Prime Meridian called?
The universal time
What is a Direct Statement Scale?
It uses words to describe the relationship on a map and a specific distance on the Earth's surface
Example: 1 cm to 10 km -- means that if you measure the between 2 places on a map and the distance is 1 cm, you would know that the actual distance is 10 km.
How many centimetres are in a kilometre?
What are the three types of Scales on a map?
What is a Line Scale or a Linear Scale?
It a special kind of ruler that is found on maps that is divided into units of Distance