by Sasha Boichuk
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Malthus expressed a pessimistic view over the dangers of over
population and claimed that food supply was the main limit to population
growth. He believed that the human population increases exponentially
(2, 4, 8, 16, 32 etc), whereas food supplies can only grow arithmetically (2,
4, 6, 8 etc).
Malthus said that there are therefore ‘checks’ on the population. He identified two different types of
checks on the population which would limit further population growth. These are; preventative or
negative checks and positive checks. With these checks he saw them as a natural way of keeping
the population at a sustainable level. As if the population went over the crisis point there would be
misery; were positive checks on mortality would kick in. As if a government wanted to stop or
reduce population growth it would use moral restraint were negative checks on fertility would be
hello i am emma
Lost Civilization - Zainab
Significant Concept: To understand how the
over utilization of resources can lead to the
destruction of a population
Future pridictions to think about: 1.Where
in the world do you think a similar scenario may
happen? Explain your answer.
2.Do you think it would be allowed
to happen again? Explain your
3.What factors may prevent
Malthus's theory from happening
Rapa Nui Civilization: To watch the video here
is the link: http://www.youtube.com/watch?feature=player_embedded&v=7PgcNt5NxG4
Useful Links: 1.http://www.qsl.net/w5www/easterisland.html2.
Mega Dams - Sasha
1. What is a mega dam?
2. Why are they built?
3. Name a series of dams that
are in use in the world today.
4. What are the positive
impacts of a dam?
5. What are the negative
impacts of a dam?
To understand the concept of
malnutrition and to develop a case
Using the following pictures, answer the questions below:
the average food intake for a family in a MEDC, NIC and LEDC over a
2.Discuss the differences in the
pictures and why it may occur.
3.Is malnutrition or undernourishment a
´poor´ issue? Use the graph below as a
4.Can calorie intake be an
indicator of wealth? Why?
How can lifestyles choices impact the food you
How problems can malnourishment bring to a society? Read
this article to help you
Food Insecurity - Sasha
Energy -Taj Qureshi
ReplenishableWater PreservationSafe Drinking WaterHydrological Cycle
precipitation, infiltration, runoff
Why have people manipulated
different sources of water
Water is love, Water is life
What impacts have humans had on water?
- Climate change increase, Glaciers melting
Supply and demand. Shikhar here, Supply and demand is perhaps one of the most fundamental concepts of
economics and it is the backbone of a market economy. Demand refers to how much (quantity) of a product or
service is desired by buyers. The quantity demanded is the amount of a product people are willing to buy at a
certain price; the relationship between price and quantity demanded is known as the demand relationship. Supply
represents how much the market can offer. The quantity supplied refers to the amount of a certain good producers
are willing to supply when receiving a certain price. The correlation between price and how much of a good or
service is supplied to the market is known as the supply relationship. Price, therefore, is a reflection of supply and