Investigating places - mapping and cartography Flashcards
A map has a scale of 1:200,000.
What does this mean?
What sort of scale is this?
When might you use it?
1 unit on the map equals 200,000 units on the ground
Small scale map - little detail and large area
Driving long distances on main roads
A map has a scale of 1:50,000
What does this mean?
What sort of scale is this?
1 unit on the map equals 50,000 units on the ground
Large scale map - shows a lot of detail over a small area
Walking on a long hike.
How is height measured on a map?
And how is it shown?
Height is shown as height above sea level on OS maps.
3 ways it is shown:
Spot height
Triangulation pillars
Contour lines
What is spot height and how is it represented?
Height of a particular place - marked by a black dot with the height in m alongside it.
What is a triangulation pillar and how is it represented?
Often found on hill tops (a white post)
Marked on a map by a blue triangle with a dot in the middle.
What are contour lines and how are they represented. ?
How can you use them?
Thin brown lines that join together places of the same height.
The height is printed on the line.
You can use them to see the shape of the land.
What is the difference between four and six figure grid references - can you show Mummy an example?
Yes - really!
