Maps And Map Reading Flashcards
What are two ways that the grid can be used to identify locations?
One is area reference the other is grid reference.
How do you convert 1:489 000 (cm) into km?
Knock off 2 zero’s to make it into meters, knock off another 3 (5) zero’s to make it km.
How do you identify an area?
Identifies one area on the grid and is made up of four numbers. First one identifies the left hand line and the second two numbers identify the base line.
A grid reference pinpoints a specific place within a grid square and is made up of six numbers. What do these numbers mean?
The first three numbers indicate the position going across the grid and the second three numbers give the position going up the grid.
All maps must have BOLTS.What are BOLTS?
Border Orientation Legend Title Scale
What is a map projection?
A map projection is the representation on a plane surface of a part of the surface of the Earth
What does a map projection aim to achieve?
•the shape of continents and oceans •the area or size of continents and oceans •the distance between two points •directions
What are the four types of maps?
•Topographic- derailed showing features of the natural and built •Thematic-shows specific THEME such as tourist sites and energy resources •Political-shows states or provinces and cities, towns and capital cities •Physical-shows natural features of the environment such as rivers, mountains and lakes
What way do pressure systems spin?
High pressure spins anti-clockwise Low pressure spins clockwise
What do the iso-bars near pressure systems, which way, up or down, do they do stuff?
High pressure: ascend towards centre Low pressure: descend towards centre
Which way does the lines of latitude and longitude run?
Latitude:Run around the Earth and are measured in a number of degrees north (N) or south (S) of the equator, which is 0 degrees. Longitude: Run up and down the Earth between the pole. Longitude is measured in degrees east or west of the prime meridian, which runs through Greenwich in England at 0 degrees
High and low pressure directions, explain them
