Social Science tema 3

What is the number of people living in an area?

• Absolute population

• Natural increase

• Population density

• Actual increase

What is this:

Birth rate - death rate=

• Natural increase

• Actual increase

What is this:

Natural increase + number of immigrants - number of emigrants=

• Natural increase

• Actual increase

Match the definitions

• A person forced to leave the country

• refugee

• a person who moves into an area

• Emigrant

• A person who moves away from an area

• Immigrant

what is this?:

Absolute population ÷ square kilometres=

• Population density

• Population

• Absolute population

• Density

What is Population density?

• Average number of people who live on each square kilometre of land

• total number of people

• Number of babies

• Number of animals

Why do population change?

• Because babies are born

• Because babies grow

• Because people die

• Becuase babies are born, people die and people migrate in or out of the area

What can we use to see how populations change over time?

• Food pyramid

• Population pyramid

• Babies pyramid

• persons pyramid

Look at the population pyramid. Are the more babies or old people?

• Babies

• Old people

Look at the population pyramid. Are there more babies or adults?

• Babies

• Adults