Download ppt - How many babies will be born during this lesson?

How many babies will be born during this lesson?

How many people are there in the world at the moment?

• Write how many you think in the back of your books



• The world population is the total number of humans alive on the planet Earth at a given time. In early 2006, the world population reached 6.5 billion.

http://en.wikipedia.org/wiki/Human

http://en.wikipedia.org/wiki/Earth

How many people are born every minute?

•Just watch and learn…..


•20


•40


•60


•80


•100


•120


•140


•160


•180


•200


•220


•240

So in a 50 minute lesson….

• How many?

So in a 50 minute lesson….

• 12 000!

Some of them even less intelligent than G.W.B !!

Population increase

• Does the population also increase at 240 per minute?

• If yes – why?• If no – why?

Population increase

• Babies are born at about 240 per minute• The number of people dying every minute

must be __________ that number because

Problems relating to population increase

• Can the number of people on the Earth continue to rise indefinitely?

• What are the problems with having loads of people on the Earth

Population Explosion

• Pollution• Use of resources• Wildlife• Quarrying• Housing• Roads• Waste disposal• Finding partners

Make a list of the effect that the growth of our population has had on resources, land and pollution

A few questions…..• Is this a world wide problem?• http://news.bbc.co.uk/1/hi/world/europe/

4768644.stm• Why do people have lots of babies?• http://www.cnn.com/2006/HEALTH/parenting/

05/08/mothers.index/index.html• How do people in different countries try to limit

the number of babies born per family?• http://www.galtoninstitute.org.uk/Newsletters/

GINL9105/Third_World_Aid.htm

What do you think?

• If we need an average of 2.1 babies per family WORLDWIDE to maintain a stable population – how are we going to do it?