Lecture 13 Flashcards
(34 cards)
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
