Introduction to Maps

Today in class we learned maps serve 2 basic purposes. The first purpose was as a reference to location. The location could be absolute location or relative location. Absolute location is an exact point and you find that using longitude and latitude.An example or absolute location is an address. So for John Carroll the absolute location would be 703 E Churchville Rd, Bel Air, MD 21014. An example or absolute location is an address. So for John Carroll the absolute location would be  Relative location describes location based on relation to other places. An example of relative location would be The John Carroll School is located near Southhampton Middle School, off of Churchville road and right by Bynum Run Park.

Another thing we learned was what cartography is. Cartography is the science of mapmaking. A population cartogram is a map that shows data through population. The map below predicts the population for 2100. The worlds population is projected to increase by 3.5 billion people. Africa is projected to grow a lot more then other continents. We can tell this by looking at the size of the continent compared to the other continents. The countries inside of the continents also show population. Countries like Tanzania and Nigeria are predicted to have the largest populated countries in Africa where as Botswania and Namibia will have some of the smallest population.

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