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Population Explosion!

Population Explosion!. Title - How is the population changing ? Date: 04/10/12. Lesson Objective – To look at how and why population is changing?. Take a look at the population. http://www.worldometers.info/world-population/ http://www.poodwaddle.com/clocks/worldclock/

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Population Explosion!

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  1. Population Explosion! Title - How is the population changing? Date: 04/10/12. Lesson Objective – To look at how and why population is changing?

  2. Take a look at the population • http://www.worldometers.info/world-population/ • http://www.poodwaddle.com/clocks/worldclock/ • Write down an estimate of what you think the worlds population will be at the end of this lesson and now briefly discuss with your group why.

  3. Key words that may influence a changing population – can you match them up? Q: Choose one of the key words and explain with examples how this may affect a change in a population of a country?

  4. Quick fact: The difference between the number of births and the number of deaths is called the _____increase in populations. Your Turn

  5. Study the graphs on the next 3 slides showing world population trends over time periods. In a short paragraph describe world population trends. To describe the graphs do 3 things:1. Describe the general trend of the graph and support by quoting data from the graph2. Acknowledge exceptions (sometimes called anomalies) to the general trend and support with data from the graph 3. The third thing is to support your descriptions with data from the graph

  6. The world just keeps on growing! Population dynamics is all about change

  7. Use this diagram to give two country examples of population increase, balance and decrease.

  8. Watch the 5 min clip and answer the questions below.http://www.youtube.com/watch?v=RxJWh3u8fcU • 1. What factors are contributing to the worlds continued population growth?2. In which areas is population growing and in which areas is it decreasing and how has this changed over time?3. How can we explain differing population trends in different parts of the world?4. What are the effects of population growth on the planet as a whole?

  9. So why do populations grow? • Make a list, why you think the population is growing? • Children have to look after their parents • Religion • Culture (men are more dominant in LEDC) • Family plan to send 1 kid to get educated and the rest to work (family Planning?) • Poor family planning (how does a poor family feed 8 kids? Education, clothing,) • Half the kids die, due to unaffordable health, lack of education, clean water.. • Family plan for the educated child to get a well paid job (such as??) via their country or migration to a MEDC.

  10. Effects of Population change are???????? • Q/Think about your answers to question 4, make a copy of this and in your groups decide where each answer should go and….justify!! E S E

  11. Plenary Q1/ Has the population increased over the years? Q2/ Why do you think the population has increased over the years? Explain. Q3/ In some countries the birth rate is high, explain why this may be? Q4/ In some countries the Death rate is high, explain why this may be?

  12. Key words???? What do they mean???? Homework • Death rate • Infant Mortality Rate • Ageing Population • Replacement Rate • Population Pyramid • Women’ Rights • Contraception • Emigration • Poverty • Barriers to Migration

  13. Key words???? What do they mean???? • Birth Rate • One Child Policy • Immigration • Life Expectancy • Push factor • Population Growth • Anti Natal Policy • Migrant worker • Declining Population • Demographic transition Model

  14. No birth control or family planning Disease and plague Famine, un certain food supplies or poor diet Many children are needed to work on the land Children are regarded as a sign of virility (manhood) Religious beliefs may encourage large families Little medical science, few doctors, hospitals etc. So many children die in infancy that parents tend to produce more children

  15. Improved medical care – vaccinations, hospitals, doctors, new drugs and scientific inventions Family planning – contraceptives, abortion, sterilisation A low infant mortality rate therefore people have less children Improved sanitation and water supply Improved food production (quality and quantity) Improved transport to move food, doctors etc. Increased industry meaning fewer workers are needed Increased desire for material things and less desire for large families Women have become free; can follow careers rather that just have children

  16. Copy out the box below showing how we calculate population growth.

  17. Birth rate means the amount of babies being born PER 1000. Death Rate means the amount of people dying PER 1000. Natural increase is the number of births minus the number of deaths. MEDC More Economically Developed Country LEDC Less Economically Developed Country Key words we will need for this unit – can you match them up?

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