Chapter 14
Chapter 14
Science
Chapter 15
Chapter 15
100
European Union
What is a supranational organization through which a number of European countries work together on shared issues?
100
tariffs
What is a tax on goods that cross country borders?
100
Harry Hess
Who is the scientist who made the theory for seafloor spreading?
100
the study of human populations
What is demography?
100
life expectancy
What is the average age a person is expected to live?
200
Supranational cooperation
What is a form of international cooperation in which some countries give up some control their affairs?
200
currency
What are the bills and coins used as money in a particular country or group?
200
molten material adds new crust to the ocean
What is seafloor spreading?
200
birth rate
What is the number of births in a year for every 1,000 people?
200
dependency ratio
What is the number of old and young people who do not work compared to the working-age population?
300
Centripetal forces
What are forces that unite people?
300
trade bloc
What is a group of countries that work together to promote trade with each other?
300
Drilling: older rock was found near continents, newer near ridge Molten Material: igneous rock found near ridge Magnetic Strips: iron in rocks point toward different poles
What is the evidence for seafloor spreading?
300
death rate
What is the number of deaths in a year for every 1,000 people?
300
demographic transition model
What is a model of how the size of the population changes as a country develops?
400
centrifugal forces
What are forces that divide people?
400
cultural identity
What is a feeling of belonging to a group that shares the same culture or way of life?
400
sections of the lithosphere that have broken into pieces; moving by convection currents in the mantle
What are plates?
400
replacement rate
What is the total fertility rate needed for a population to replace itself?
400
a sudden increase in the birth rate of a population
What is a baby boom?
500
common market
What is a group of countries that act as a single market?
500
subduction
Why doesn't the Earth grow?
500
Divergent: 2 plates move apart; 2 oceanic= ocean ridge, 2 continental= rift valley Convergent: 2 plates move together; 2 oceanic=trench, oceanic and continental= volcanoes, 2 continental= mountains Transform: 2 plates slide past each other in opposite directions; makes earthquakes
What are the plate boundaries?
500
total fertility rate
What is the average number of children a women will have in her lifetime?
500
a fixed amount of money paid to a retired person
What is a pension?
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