Topographic maps - Introduction - Grade 9

​Objectives:

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​,,I can''

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​- Define Topographic maps

​- Identify the characteristics of a Topographic map

​- Identify the importance of Topographic maps

​Definition

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​-Topographic map is a two-dimensional representation of a three-dimensional land surface.

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​Term Topography is derived from Greek word ,,Topos'' meaning a place and ,,Graphein'' meaning to write. Thus, Topography is a written or drawn description of a place.

​Topographic maps are showing physical and human features but the difference between a theme map and a topographic map is that Topographic maps are showing elevation in detail.

Topographic map

​Theme map - climate

​Characteristics of a Topographic map are:

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​1. They show elevation using lines which join points of equal elevation above sea level.

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​2. They are showing men made features such as roads, railroads, buildings and some theme features such as vegetation and boundaries of National parks.

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​3. They are produces mostly by government agencies.

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​Types of Information you can find on a Topographic map

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​1. Culture: roads, buildings, boundaries...

​2. Water: lakes, rivers, streams...

​3. Relief: mountains, valleys, slopes

​4. Toponomy: places names, water features names...

​5. Vegetation: wooded or cleared areas...