1. Population Explosion

2. 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

3. Population Clock http://www.ibiblio.org/lunarbin/worldpop

4. The worlds population past and present (draw a graph to show this data )

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

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

8. 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)