ZIMSEC O-Level Geography
7.6Map work and geographical information systems
Overview
Topic 6 of the scope and sequence: map skills (Form 1), contours, gradient and land use (Form 2), GPS, time zones and remote sensing (Form 3), Boolean logic and overlay analysis (Form 4).
In this topic
- 7.6.1 Characteristics and types of maps and universal symbols
- 7.6.2 Location: coordinates, grid references and world time zones
- 7.6.3 Scale, distance and area
- 7.6.4 Direction and bearing
- 7.6.5 Contour lines and their interpretation
- 7.6.6 Gradient
- 7.6.7 Land use, patterns and networks on maps
- 7.6.8 The electromagnetic spectrum and remote sensing
- 7.6.9 GPS and GIS: Boolean logic and overlay analysis
Lessons
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Maps: components, types and conventional symbols
25 min
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Thematic maps: choropleth, isoline, flow and other maps
35 min
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Location: grid references, latitude, longitude and time
35 min
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Map scale, distance and area
35 min
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Direction and bearings on maps
30 min
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Relief on maps: contours, heights and landforms
35 min
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Gradient, cross-sections and intervisibility
35 min
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Reading land use, settlement, drainage and transport patterns on maps
35 min
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Photographs, satellite images and remote sensing
35 min
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GPS and GIS: layers, Boolean logic and overlay analysis
40 min
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Sample question
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