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Grade 9 Map Skills R161,54
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Grade 9 Map Skills

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PowerPoint Presentation for Grade 9 Map Skills CAPS

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  • September 21, 2022
  • 27
  • 2017/2018
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karlwhitlock
MODULE 1 MAP
SKILLS
Created by Mr K Whitlock
2020

,CONTENTS
 UNIT 1 – CONTOUR LINES
 UNIT 2 – 1:10 000 ORTHOGRAPHIC MAPS
 UNIT 3 – 1:50 000 TOPOGRAPHIC MAPS
 UNIT 4 – INFORMATION FROM MAPS AND PHOTOGRAPHS

, UNIT 1: CONTOUR LINES
 These are lines drawn on maps to show the height of land above se
level
 Looking at the photo alongside we see the hill at the top and then
we see how it looks on a map with its contour lines underneath
 Contour lines join all the places that are the same height above sea
level, which is 0 m
This is written simply in metres
Contour lines are either higher or lower than the one next to it
The height difference between two contour lines is called the contour
interval
This difference is 20 m between each contour
These are brown in colour

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