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# IGCSE - Map Work Basics

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• excellent presentation! concise but thorough

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### IGCSE - Map Work Basics

1. 1. Map Work The Basics
2. 2. Scale <ul><li>1:50000, 1:25000, 1 cm = 500m, etc. etc. What does it all mean? </li></ul>
3. 3. Scale <ul><li>Measure and calculate distance and area. </li></ul>
4. 4. Location <ul><li>Locate points by grid reference ( 4 and 6 figure). </li></ul>
5. 5. Location <ul><li>and latitude and longitude. </li></ul>
6. 6. Location <ul><li>Orientation by direction and bearing. </li></ul>
7. 7. Relief <ul><li>Show height and slope - spot heights, triangulation points, contours, layer and hill shading, cliff symbols. </li></ul>http://www.cchs.co.uk/subjects/geography/ks3/resources/exercises/map-symbols/map-symbols.htm
8. 8. Relief <ul><li>Working out gradient – steep or gentle. </li></ul>http://geology.isu.edu/geostac/Field_Exercise/topomaps/slope_calc.htm http://www.geographyhigh.connectfree.co.uk/s3osintervisibilityd.html http://147.238.144.82/umw/animations/ORD_005a6e.htm
9. 9. Relief <ul><li>Constructing sketch and cross profiles. </li></ul>http://geology.isu.edu/geostac/Field_Exercise/topomaps/topo_profiles.htm
10. 10. The Key or Legend <ul><li>Recognize and interpret map symbols commonly used on maps from different countries. </li></ul>
11. 11. Imaging <ul><li>Gain familiarity with satellite images, </li></ul>
12. 12. Imaging <ul><li>aerial and oblique photographs. </li></ul>