OS Map Work Flashcards
What maps do we use most often?
Ordnance Survey maps!
What does ‘OS’ stand for?
Ordnance Survey!
What first developed OS maps?
The army
Why were they developed?
So that the army could have accurate maps of the country!
What five things do OS maps show?
- Directions
- A key
- Scale
- Height
- Grid references
Draw the sign of a bridge!
Done!
What colour is a campsite?
Blue!
What is the symbol for a Public House?
PH
A river is (obviously) what colour?
Blue!!!
Draw a church with a tower!
…
Draw a footpath!
What three ways are height shown?
- Spot Heights
- Layer Shading
- Contour lines
What do spot heights look like?
•19
Spot heights are…
Spots on a map with a number next to them
Sometimes you will see __ri__ points or t____angu____tion point__!
Sometimes you will see trig points or triangulation points!
Layer shading is…
Areas are coloured depending on what height they are at!
What colours are low?
Green!
What join up places which are the same height?
Contour Lines!!!
What colour are the triangulation points?
Blue!
What does a station look like?
—O—
What is scale?
It shows how much you would have to enlarge a map to get an actual real life projection?
Grid references are like…
Co-ordinates!
Which are northings and which are eastings?
I_I_I
I_I_I Up=northings and sideways=eastings!
Try 6 grid now!
Ok!
