TEST+PREPARATION


 * Social Studies Exam - Friday, May 13th**

__**Vocabulary (4 of these will be on the exam)**__


 * Urban -** A highly populated area, such as a city.


 * Rural -** A sparsely populated area, often with farms.

Urbanization - When a rural area becomes more urban.

Infrastructure - The systems a city needs to operate (for example: transportation, power plants).

Services - Parts of an infrastructure (for example: roads, power lines).

City Centre - The most densely populated part of a metropolitan area (for example: Vancouver would be the city centre of the Lower Mainland).

Metropolitan Area - A group of smaller cities surrounding a city centre (for example: Surrey, Richmond, and Burnaby are all a part of the Vancouver Metropolitan Area).

Population Density - Measures how many people live in a certain area (often measured in people per square kilometre).


 * __Short Answer Questions:__**

1. Why is traffic such a problem in Mexico City?

2. Name two different ways that cities get electricity, and briefly describe how each works. (for example: hydro dams)