WHAT MAPS SHOW US Maps do 4 things:

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1 WHAT MAPS SHOW US Maps show us a range of features, for example: Landforms: Settlement: Communication: Land Use: Geology: Other Info: - hills - valleys - mountains - isolated dwellings - farms - villages - hamlets - towns - cities - capital cities - roads - rail - rivers/canals - airports - farming - forests - orchards - theme parks - industry - rock type - public house! - toilets - castles - hospitals Maps do 4 things: 1. Locational document (HELP YOU FIND STUFF) 2. Route-displaying document (HELP YOU GET FROM A TO B ) 3. Shows what you a place/area looks like 4. Store and display information

2 DIRECTIONS & COMPASS POINTS When describing features on a map it is useful if the DIRECTION can be discussed The best way to discuss the direction is to use the POINTS OF THE COMPASS Most maps have a sign to show NORTH. If there is no sign shown the top edge of the map will be NORTH One way to remember this is: Never Eat Shredded Wheat To give a direction of a place, you have to state which direction you would need to go to get there e.g. A E H C D B A is NORTH of B D is EAST of C F F is SOUTH-EAST of E G H is NORTH-EAST of G

3 4-FIGURE GRID REFERENCES Grid Lines (BLUE) can be found on all Ordnance Survey Maps By using these lines, and giving GRID REFERENCES certain areas can be determined When using 4-Figure Grid References you can determine a GRID SQUARE Look at the diagram below: GRID SQUARE A 1. Give the number of the line on the left of the square Give the number of the line at the bottom of the square Put the numbers together the 4-Figure Grid Reference is 0251 GRID SQUARE B 0250 GRID SQUARE C 0150 GRID SQUARE D 0151

4 6-FIGURE GRID REFERENCES Grid Lines (BLUE) can be found on all Ordnance Survey Maps By using these lines, and giving GRID REFERENCES certain areas can be determined When using 6-Figure Grid References you can determine an EXACT POINT (so they are very useful) Look at the diagram below: B A HOW TO WORK OUT THE GRID REFERENCE FOR 1. Give the number of the line on the left of the square In your head divide the square into tenths then follow arrow A. The is about halfway across from the left putting it on the five-tenths line 3. First half of the grid reference = Now give the number of the line at the bottom of the square Again, in your head, divide the square into tenths then follow arrow B. The is less than halfway up from the bottom putting it on the three-tenths line 6. Second half of the grid reference = FIGURE GRID REFERENCE FOR = FIGURE GRID REFERENCE FOR =

5 CONTOUR LINES RELIEF is the height and shape of the land This is shown on an OS Map using CONTOUR LINES (a line on a map showing all points of the same height, measured in metres above sea level) SPOT HEIGHTS are a very accurate height given on an OS Map TRIANGULATION PILLARS a very accurate height, usually the highest in the area STEEP slopes are shown on a map, when CONTOUR LINES are packed closely together e.g. GENTLE slopes are shown on a map, when CONTOUR LINES are spread apart e.g. Sometimes VIEWPOINTS can be seen on the summit/peak of a hill (highest point) e.g.

6 SCALE Maps show us a range of features. Some maps show us more detail than others. The smaller the scale, the higher the amount of detail. If a scale is 1:10 000, a map will be very detailed. Here is an example of a 1: map. Here is an example of a 1: map. The two maps show that the 1: map is zoomed out and is therefore in less detail When using a 1: scale, it means that 1cm on the map = cm (or 500m) in real life ALL scales are in cm. On ALL OS Maps 1 GRID SQUARE = 1KM

7 OS MAP SYMBOLS (1) Ordnance Survey Maps show us information using symbols Almost everything on an OS Map can be shown using a symbol The symbols are split into different sections: Small Drawings (e.g. church with tower) Lines (e.g. roads, bridleways, paths) Colours (e.g. a lake blue) Letters (e.g. PH public house) & Shortened Words (e.g. Sch school)

8 OS MAP SYMBOLS (2) Tourist Information ALWAYS IN BLUE (e.g. museum)

9 MEASURING DISTANCES Before measuring a distance on a map, it is important that you know what the scale is (e.g. 1:10 000, 1: etc) If you know this it will tell you how far 1 cm is e.g. 1: cm = cm (or 250m) and 4cm = 1km e.g. 1: cm = cm (or 500m) and 2cm = 1km MEASURING AS THE CROW FLIES 1. Use a ruler 2. Measure in a straight line across the map 3. Read the measurement in cm 4. Using the scale at the base of the map convert the cm to the distance in real life MEASURING DISTANCES USING STRING 1. Place the string at the start point 2. Whenever the route changes direction, place your finger on the string and then stretch it towards the new direction 3. Repeat until the route has been traced with the string 4. Using the scale at the base of the map convert the distance of string used to the distance in real life MEASURING DISTANCES USING A PIECE OF PAPER This is very similar to using a piece of string 1. Place the corner of a piece of paper at the start point 2. Every time the route changes direction, make a mark on the paper and then turn the paper towards the new direction 3. Repeat until the route has been drawn (using marks) on the edge of the paper, e.g. 4. Using the scale at the base of the map convert the distance from the first mark to the last, to discover the distance in real life

10 DESCRIBING A ROUTE Ordnance Survey Maps can be used to describe places and routes ACCURACY is very important when describing things - use compass directions - use features on the map (e.g. Church with Spire) Follow the description, by looking at the map below 1. Leave Hearn (NW of Map) travelling southwards 2. Turn E, onto B3002, at first road junction 3. Go straight over first roundabout, heading SE 4. Proceed straight along B3002, with mixed forest to the N 5. After Grayshott Hall follow the road SE towards Grayshott 6. After ¾ mile turn E 7. Go through Grayshott, travelling past the church with a tower and public house 8. Proceed straight across the crossroads 9. Turn NW, onto A3, proceed to crossroads 10. Turn SE, then follow an easterly southerly direction along A Continue downhill along this road, National Trust Park land on E, river on W, for approximately ½ mile 12. Travel through Critchmere 13. Go through Shottermill passing a church with a spire 14. Pass under railway bridge 15. Turn E (2 nd road) LEISURE CENTRE WILL BE THERE