Population Explosion

Key terms• Birth Rate = the number of children born per 1000

people per year• Death Rate = the number of deaths per 1000 people

per year• Migration = the movement of people from one place to

another • Immigrant= a person entering a country• Life Expectancy = the average number of years a

person is expected to live • Infant Mortality = The number of babies out of every

thousand born that die before the age of one • Natural Increase= the difference between birth

and death rate

Population Clock

• http://www.ibiblio.org/lunarbin/worldpop

The worlds population past and

present (draw a graph to show this data )

Year World Population (in millions)

Population of MEDC’s

Population of LEDC’s

1700 600 500 100 1750 630 500 130 1800 810 550 260 1850 1100 600 490 1900 1500 900 600 1950 2400 1100 1300 2000 6000 1200 4800 2050 9000 1300 7700 2100 9100 1300 7800 2150 9150 1300 7850

1. Describe the growth of the world population:a) up to 1650b) from 1650-1900c) from 1900-2000d) from 2000-2100

2. What was the world population when you were born?

3. What will the population be on your 60th birthday?

4. How long will it take for the world population to double?

• Now turn to complete Geography p141 and answer activities 2-3 (finish for hwk using the copies)

Using information from the mystery on the Rajaks, your table and the living graph, answer

this question

1. Why did the world’s population suddenly explode after 1900 (6-8

marks)