Natural increase rate when the CBR is 30 and the CDR is 10 per 1,000?
Answer: 2%
Pyramid whose base is narrower than its middle, reflecting falling birth rates?
Answer: Constrictive
In Lee's migration model, what are barriers such as distance, cost or border controls called?
Answer: Intervening obstacles
IB Geography · SL and HL core
IB Geography Unit 1: Changing population
2 ready-made review sets for this unit, 28 questions in all, for SL and HL, to play as a class game on the projector. Free to host, and students join with a code.
A question from the sets
Natural increase rate when the CBR is 30 and the CDR is 10 per 1,000?
- 20%
- 2%Right answer
- 0.2%
- 4%
What Unit 1 covers
Unit 1 is the first of the three core units every Geography student studies. Population and economic development patterns: how population is distributed at global and national scales, how that links to economic development, and the growth of megacities. Changing populations and places: population change and the demographic transition model, birth, death and fertility rates, dependency ratios and population pyramids, and forced and voluntary migration, from refugees and internally displaced people to the push factors, pull factors and intervening obstacles of Lee's model, with consequences such as remittances and brain drain. Challenges and opportunities: population ageing and youth bulges, pro-natalist and anti-natalist policies, the demographic dividend, and efforts to stop human trafficking.
Where students slip
- The dependency ratio divides the dependants (under-15s and over-64s) by the people aged 15 to 64, not by the whole population. With 50 million dependants and 100 million aged 15 to 64, it is 50, not 33.
- Replacement-level fertility is about 2.1 children per woman where mortality is low, not 2.0: some girls die before they reach childbearing age, and slightly more boys are born than girls.
- A refugee has crossed an international border to escape persecution or conflict. Someone forced from their home who is still inside their own country is an internally displaced person, not a refugee.
The sets
Play this set opens the set in splycr, where you can read every question and host it for your class straight away. Hosting needs no account, and students join with the code on the board. A free account lets you copy a set and edit it.
The questions were written for the splycr library by Biology by Bradford. Each one plays as multiple choice, and the three wrong options were written for that question.
Government measures aiming to cut fertility, e.g. free contraception and limits on family size?
Answer: Anti-natalist policy
Raising this threshold is a common response to rising pension costs in greying societies?
Answer: Retirement age
Situation in which a country's annual deaths outnumber its births?
Answer: Natural decrease
Game modes that suit this unit or option
Every set plays in all eight modes. These two fit this unit or option best.
Racer in teams
Unit 1 has quick sums with round numbers: the natural increase rate from birth and death rates, or a dependency ratio from three age groups. In team Racer only one teammate sees the right option and a wrong answer sends the whole team back, so someone has to do the sum out loud before anyone taps.
Throne
Refugee or internally displaced person, push factor or intervening obstacle, pro-natalist or anti-natalist: the terms reward the student who really knows them. One student holds the throne and the class answers to take it, and a wrong answer from the champion costs double.