Lecture 13 Flashcards
Has the use of resources rise of fall in the most developed countries?
Risen
As “quality of life” increases so does what
resource consumption
MDC contain ____% of the world population and use ___% of the worlds energy and minerals
15% and 70%
USA has ___% of the worlds population and uses ___% of world GDP. ____% of all energy and has ___% of all pollution release
4.8%
22%
33%
30%
India has ___% of the worlds population and uses ___% of energy
18% and 5%
Canada has ___% of the worlds population and uses ___% of all energy
0.5% and 4%
Why does Canada use so much energy?
Because Canadians travel great distances
What and when did humans acquire energy from over history
1) Fire = millions of years ago
2) Animals = 10000 years ago
3) Waterwheel = 3000-4000 years ago
4) Windmill = 1000 years ago
5) coal = 150 years ago
6) Oil = 100 years ago
7) Natural gas = 90 years ago
Where was the waterwheel created
in Asia
Where was the windmill created
in Europe
What is the base unit of energy
KG m/sec^2
If a ____ () is applied to an object of ___ () then the object will be observed to undergo acceleration
Force (F) and mass (M)
what is the equation to find out force?
F = Ma
Energy is the product of what
Force
what are jules?
A way to measure energy
What are quads?
another way to measure energy use
in 2008 the global used how many quads
486
In 2012 the global usage of quads was
524
What country has had the highest jump of usage of quads since 2008?
China
What country uses the most quads of energy a year?
China
in what year did the use of coal start declining
1950
What substance use skyrocketed as a result of coal declining
Petroleum
Humans need to consume about how many kcal a day?
2000
In Canada how many kcal per person per day do we use?
239000
In Northern Europe how many kcal per person per day do they use
125000
In India how many kcal per person per day do they use
11000
What happened at the end of the second world war?
An exponential growth in energy consumptions
what did most people returning from the second world war buy?
vehicles
What are the two levels of fossil fuel supplies?
Proven resources and unproven resources
How do we calculate the years of supply?
By only using the proven resources
At the current rate of consumption in 2013 how long would crude oil last
52 years
What country has the single largest oil reserve
Saudi Arabia
Where are crude oil and natural gas usually found?
Within sand deposits
At the current rate of consumption in 2013 how long would natural gas last?
55 years
