O 1 KILOMETRES 0 1 2 3 4 5 6 7 2 ceintiméadar sa chiliméadar (taobh chearnóg eangaí) 2 centimetres to 1 Kilometre (grid square side)
Chapter Revision Questions OS Map Questions
1. State the scale of this map and give the representative fraction.
2. Calculate the area of sea south of northing 40.
3. Calculate the straight line distance between the post office in Baldoyle and the Post Office in Howth village.
4. Calculate the distance in kilometres along the railway line between the stations at Howth and Raheny.
5. Describe, with reference to the map, three land uses and their functions visible on this map.
6.
Identify the coastal landforms at: (i) Bull Island (ii) O298 376 (iii) O233 367 (iv) O287 367 (v) Drumlick Point
7. Give six-figure grid references for five different antiquities shown on the map.
8. State the direction travelled from: (i) The Great Bailey lighthouse to the lighthouse in Howth harbour.
(ii) Clontarf boating marina to Sutton boating marina.
(iii) The North Bull lighthouse to the post office in Baldoyle.
9. Draw a cross section of Howth from (a) spot height .3m (O265 387) to (b) the 18-hole golf course at O275 378.
10. Draw a sketch map of the OS map extract. Mark and identify the following; (i) The third class road network (ii) the village of Howth (iii) any two post offices (iv) a beach (v) the highest point on the map (vi) the railway lines (vii) a car park.