Energy Flashcards
1
Q
What is primary energy?
A
- Fuels that provide energy without undergoing any conversion process
2
Q
What is secondary energy?
A
- Energy that is made from processing of primary fuels
3
Q
Concerning energy what is a measure of a country’s developement?
A
- The amount of energy a country uses
4
Q
Who are the major producers of energy in the world?
A
- USA
- Canda
- Western Europe
- Russia
- Middle East
- Australia
- New Zealand
5
Q
Who are the worlds major consumers of energy?
A
- The major producers becayse they have the reserves
6
Q
What is the energy gap?
A
- A gap created because the loss of energy caused by phasing out fossil fuels is greater than the amount of energy that is being developed from new, low-carbon sources.
7
Q
What two things are becoming very clear in today’s world energy?
A
- Energy must be used sparingly and with the utmost efficiency
- The non-renewable sources of energy are finite and must be conserved
8
Q
How has the UK’s energy production changed from 1990 to 2008?
A
- Coal = 64.2% to 36.9%
- Oil = 11% to 1.3%
- Gas = 1% to 34.5%
9
Q
What are the advantages of coal?
A
- High world reserves
- Newer mines are highly mechanised
10
Q
What are the disadvantages of coal?
A
- Pollution
- Mining can be difficult and dangerous
- Opencast pits destroy land
- Heavy/bulkly to transport
11
Q
What are the advantages of oil?
A
- Variety of uses
- Fairly easy to transport
- Efficient
- Less pollution than coal
12
Q
What are the disadvantages of oil?
A
- Low reserves
- Some air pollution
- Danger of spills and explosions
13
Q
What are the advantages of natural gas?
A
- Efficient
- Clean
- Easy to transport
14
Q
What are the disadvantages of natural gas?
A
- Explosions
- Some air pollution
15
Q
What are the advantages of nuclear?
A
- Clean
- Fewer greenhouse gases
- Efficient
- Small amount of raw materials used
- Small amounts of waste
