Map And Atlas Skills Flashcards
Every good map should have the following features;
- An arrow to show which direction is North.
- A title.
- A scale.
- A key to tell us what the symbols mean.
- A grid to help us find places.
Latitude and Longitude
World maps use lines of latitude and longitude to help us pin point locations
Lines of Latitude
horizontal lines which tell us how far North or South we
are from the equator
The equator is the most famous line of latitude and is said to be ‘zero degrees’.
The Tropic of Cancer lies to the North of the Equator.
The Tropic of Capricorn lies to the South of the Equator
Lines of longitude
vertical lines which tell us how far East or West we are
from the Greenwich Meridian
The Greenwich Meridian is the most famous line of longitude
It runs from the
North Pole to the South Pole and passes through the town of Greenwich near
London. It is also ‘zero degrees’.
Ordnance survey map symbols
The most common maps we use in Geography exams are Ordnance survey
maps with a scale of 1: 50 000
Contour Lines
These are thin orange lines on maps which tell us about the height and shape
of the land. (Relief
Scale
This tells us how much smaller the map is than real life. Scale can be expressed
in 3 different ways
1. A scale bar (a line below the map to show real life distances).
2. A ratio eg 1 : 50 000
(this tells us that the map is 50 000 times smaller than real life
So 1 cm on the map represents 50 000cm in real life.
3. A statement. Eg 1cm on the map=1km in real life
Grid References
Every Ordnance Survey map has a grid to help us find places.
We can then give a FOUR FIGURE grid reference to identify a grid square with
the following steps.