Concordia University

PHYS 273

LESSON 5

1)T or F: In North America the percentage of energy used that comes from fossil fuels is increasing.

2. Which two countries contain about half of the world’s known natural gas reserves?
3. Which is NOT a factor that will prolong the amount of time that the world’s oil supply might last?
4. What is an advantage of subsurface mining?
5. At the rate of use the currently known coal reserves could last
6. Which are forms of coal surface mining?

7. Which is NOT a factor that will decrease the amount of time that the world’s oil supply might last?
8. What fraction of coal produced in Canada is exported?
9. Approximately how many mining fatalities were there in the USA in the 20^th century?
10. In Canada which sector uses the most natural gas?
11. When petroleum products are refined they get separated according to
12. T or F: Compared to other fossil fuels, natural gas releases more harmful combustion products.
13. The main concern for hydraulic fracturing activities is the effects on…
14. How has the demand for natural gas changed recently?
15. Compared to other countries, where does Canada place in terms of proved oil reserves?
16. Tight resources are oil and natural gas deposits that are…
17. Which is NOT an advantage of oil over coal
18. T or F: Hydraulic fracturing (or fracking) uses acids dissolved in water to breakdown the rock and release the hydrocarbons for extraction.
19. Which is NOT a factor that will prolong the amount of time that the world’s oil supply might last?
20. Subsurface mining techniques are used when coal deposits are…
21. What percentage of crude oil production is offshore?
22. Per BTU of energy, how does the cost of natural gas compare to the cost of gasoline?
23. Per BTU of energy, how does the cost of natural gas compare to the cost of electricity?
24. When surface mining, the soil and rock above the coal is called…
25. In a structural trap oil is trapped between…
26. There hasn’t been a major mining accident in Canada since the 1970s.