How and why is population changing in different parts of the world?

advertisement
How is population changing in
different parts of the world?
LO
To describe the trends in global population
growth.
To explain the range of impacts as a result.
How Many People Are In the World??
Use the video to
write 3 facts
about the
number of
people on Earth.
http://www.youtube.com/watch?v=sc4HxPxNrZ0&feature=player_embedded
World Population Clock
What does it actually tell us??
Discuss your ideas with your neighbour for 1
minute.
Consider the key words ‘birth rate’, ‘death rate’,
‘rapid growth’. Try to use them in your discussion.
Write ONE PARAGRAPH to explain what is
happening to the world’s population, using the
key words.
A Future Projection…
You have ONE MINUTE to
predict what the world’s
population will be
(according to the World
Population Clock) by the
end of this lesson.
Make a note of this
number, and keep it safe.
Use the data on the next slide (or
this graph) and enter it into Excel.
Create a cumulative line graph to
show how global populations
have increased in LEDC and
MEDC countries (1700 – now)
Describe the changes in this
graph from Year 00AD to now.
Population growth 1700–2050
Year
1700
1750
1800
1850
1900
1950
2000
2050
HIC (pop. in billions)
0.1
0.2
0.3
0.4
0.6
0.8
1.3
1.3
LIC (pop. in billions)
World pop. in (billions)
0.5
0.6
0.7
1.0
1.2
1.7
4.7
7.8
0.6
9.1
Population growth has become _____________.
Since 1800, the world’s population has _______________.
This is known as __________________ growth.
LIC
HIC
FUTURE????
Another key term:
• FERTILITY RATE- This is the average number of
births per woman in a country’s population.
1. How might a country’s fertility rate
affect how fast the population grows?
2. What can you say about fertility rates in
LIC’s, compared to HIC’s?
To finish:
• ‘Describe how the global population has
changed since 1800’.
(3 marks)
PEER MARK:
1) Use of a trend- the way it has changed over
time eg, increased rapidly and now slowing.
2) Growth far higher in LEDC’s than MEDC’s.
3) Use of figures to back up your answer.
Population Estimates:
• According to the World Population Clock, the
population is…
Download