6th Grade Social Studies Book 1 Ch 3
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Created by:
millbrookjrhigh on October 6, 2011
Subjects:
Description:
6th Grade Social Studies Book 1 Ch 3
Classes:
Millbrook Jr. High 6th Grade Social Studies
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19 terms
Terms | Definitions |
|---|---|
 the total number of people in an area | population |
| the way people are spread out over the world | population distribution |
| a person who studies the population of the world | demographer |
| the average number of people per square mile | population density |
| the average number of years a person lives | life expectancy |
| Why is population distribution uneven? | people choose to live in areas that are comfortable |
| What does the population density number tell us? | how crowded a place is |
| What does it mean to say that population density is an average? | not every square mile has the same number of people |
| What has helped the world's population grow recently? | new fertilizers, new medical techniques, new ways to grow crops |
| What is true of migration? | it only happens when people move |
| number of people being born | birth rate |
| number of people dying | death rate |
| The average number of years people live | life expectancy |
| populations grew when people had more food because of the | Green Revolution |
| People who leave one country to go to another | Immigrants |
| this says that people leave their own country because of something bad in their country and the hope of something better in another country | push-pull theory |
| happens when people move into cities and cause them to grow | urbanization |
| a place in the country | rural area |
| a place in the city | urban area |
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