Ordnance Survey Ireland (Leaving Cert Geography): Flashcards
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Practise the cards
15 cards from this deck
Typical scale of OS maps used in Leaving Cert exams
Typical scale of OS maps used in Leaving Cert exams
1:50,000
Area covered by each grid square on OS maps
Area covered by each grid square on OS maps
1 km²
What four-figure grid references identify
What four-figure grid references identify
The grid square (e.g., O 12 34)
What six-figure grid references pinpoint
What six-figure grid references pinpoint
A precise location (e.g., O 123 345)
Tool used to explain symbols on OS maps
Tool used to explain symbols on OS maps
Key/legend
Interval between contour lines on OS maps
Interval between contour lines on OS maps
10 metres
What closer contour lines indicate
What closer contour lines indicate
Steeper slopes
What wider gaps between contour lines indicate
What wider gaps between contour lines indicate
Gentle slopes
What spot heights provide on OS maps
What spot heights provide on OS maps
Exact elevations (e.g., 300 m)
Characteristics of peneplains on OS maps
Characteristics of peneplains on OS maps
Flat landscapes with few contour lines
Features of urban areas on OS maps
Features of urban areas on OS maps
Dense building symbols & transport networks
Features of rural areas on OS maps
Features of rural areas on OS maps
Dispersed houses, agricultural land
How national roads appear on OS maps
How national roads appear on OS maps
Thicker lines
How local roads appear on OS maps
How local roads appear on OS maps
Thin lines
Historic sites shown on OS maps
Historic sites shown on OS maps
Castles, monastic settlements, battlefields