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Maps and BOLTTS

Year 7 Geography: Descriptions of simple and complex maps, as well as essential features of maps (BOLTSS)

Kylie Davis

on 16 February 2015

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Transcript of Maps and BOLTTS

Maps and BOLTSS
Political maps
show the locations and names of built features of the Earth. These may include country borders, state and territory borders, cities and towns.

Political maps

Dot distribution maps
use dots (or shapes) to represent (and sometimes compare) a range of different features. The dots show the location of a chosen feature. The size and colour of the dots on the map can show different characteristics of that feature. Dot distribution maps help to show patterns and links between features - geographers refer to this as spatial distribution
Dot distribution maps
Choropleth maps
use different shades of the same colour to give a quick impression of the pattern formed by the data being shown. Darker shades show the highest values or the greatest amounts, while lighter shades show the lowest values or the least amounts
Choropleth map
Overlay maps
show how features on the Earth's surface may be related to each other. To create an overlay map you first need to produce a base map showing one feature (such as location of Australian rainforests) and then place a piece of tracing paper or plastic sheet over this base map showing the other feature you are investigating (such as areas with a moist tropical climate).
Overlay maps

Physical maps

Physical Maps
show the locations and names of natural features of the Earth. These may include deserts, mountains, rivers, plains, oceans, reefs, volcanoes an lakes.
Flow maps
Flow maps show movement from one place to another. Arrows of different thickness or colours are used to show where such things (such as people or goods) are moving to and from, and compare numbers involved in the movement.
Topographic maps
Topographic maps
show the shapes of the land (such as the shapes formed by valleys, hills and ridges) by using
contour lines.
Numbers on some of the contour lines show the height of the land above sea level. The closer together the lines are, the steeper the land.
Weather maps
Weather maps
show conditions in the atmosphere, such as air pressure, wind speed and wind direction. They also show the size and location of warm and cold fronts.
Thematic maps
Thematic maps
show a particular theme or topic; for example, the distribution of resources (such as coal and gas), the different types of forests around the world, access to safe drinking water, or the types of crops and animals farmed in Australia.
Border -
an outline or box drawn around the map
Orientation -
an indication of direction, usually shown with a north arrow or compass rose
Legend -
an explanation of the symbols, colours and patterns used on the map (also known as the key)
Title -
a heading that describes the map and what it is showing
Scale -
a way of indicating what distances on the map represent in the real world. Scale can be shown in three different ways: written scale, line scale or a ratio.
Source -
where the information used to create the map came from. If these details are not known, simply write 'Source: unknown'.
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