SCIENCE UNIT 12 SOCIETY Population The population of a place changes continually because of the _______ rate, the ________ rate, _______________ and ___________________. The birth rate is the number of people born in a place every year. The death rate is the number of people who die in a place every year. The natural growth rate is the difference between the birth and death rates. It can be ___________ or _____________. We obtain the ________ growth rate by adding and subtracting immigration and emigration to the natural growth rate. The population of Spain The population of Spain has ___________ a lot because of a decrease in the death rate and an increase in the rate of immigration. Population density in Spain Population density tells us if a territory has a lot of inhabitants or a few. We calculate it by dividing the number of inhabitants of the territory by the surface area of the territory. Spain has population density of 90 inhabitants per __________ kilometre.
ACTIVITIES 1. What is the birth rate? 2. What is the natural growth rate? 3. What is population density? How do we calculate it?
Published on Sep 2, 2013