Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
21 Cards in this Set
- Front
- Back
|
What Factors effect Population density?
|
Climate
birth and death rates fertile lands water source and jobs |
|
|
What is a demographer?
|
A person who studies population around the world.( birth and death rates)
|
|
|
define population
|
amount of number of people in an area
|
|
|
define population distribution
|
The way the population is spread out over the year
|
|
|
population density
|
the averagae number of people who live an a square mile
|
|
|
Define birthrate
|
The number of live births each year per 1,000 people.
|
|
|
How do demographers measure population density?
|
They divide the number of people living in a place by the number of square miles for that place.
|
|
|
Define deathrate
|
The number of deaths each year per 1,000 people.
|
|
|
What is the average life expectancy for a woman in the United States?
|
80 years
|
|
|
What is the average life expectancy for a man in the United States?
|
73 years
|
|
|
What two scientific developments have made it possible for the life expectancy rate to increase?
|
Green Revolution and new medicines and surgeries
|
|
|
Name two ways rapid population growth affects the world.
|
Any Two:
Lack of jobs Not enough Schools Not enough decent housing Sanitation is inadequate Not enough transportation |
|
|
Define Green Revolution
|
The scientific development that help with growing crops.
|
|
|
Define Migration.
|
People moving from one place to another.
|
|
|
Define Immigrant.
|
People who leave one country and move to another.
|
|
|
What is the difference between migration within a country and migration from one country to another?
|
Migration within in a country would be moving to a new state or different area of the country. Migration from country to country is when people move from one country to a different country.
|
|
|
What is a distribution map?
|
a map that shows where the populations is and how many people are in each place.
|
|
|
Define the push-pull theory.
|
a theory of migration that says people migrate because of certain things in their lives "push" them to leave. Certain things in a new place or a new place with better living conditions "pull" people to a new country.
|
|
|
The movement of people in cities and the growth of cities --- is called what?
|
Urbanization
|
|
|
What is a rural area?
|
A village on the countryside with little population.
|
|
|
Why do many people move from Rural to Urban areas?
|
In search for jobs, decent houses, and good schools and most importantly they want more opportunities for their children.
|
