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- 1. Multiple Choice
Gases such as water vapour and carbon dioxide that trap heat near Earth are known as...
Blanket gases
Greenhouse gases.
Proxy gases.
Warming gases
- 2. Multiple Choice
Do we need greenhouse gases on Earth?
Yes - they keep the Earth warm
Yes - they block dangerous UV light from the sun
No - they only cause terrible climate change
No - they only block some of the Sun's rays
- 3. Multiple Choice
Which of these can be released by burning fuels with impurities, particularly coal? It can irritate or damage your airways.
NOx
SO2
CO
Particulate matter
- 4. Multiple ChoiceDust, ash and pollen are examples of this air pollutantLeadGround-level ozoneParticulate matterNitrogen oxides
- 5. Multiple Choice
Which of the following atmospheric gases DOES NOT absorb infra-red radiation as it is leaving the Earth?
Carbon dioxide
Nitrogen
Water vapour
Methane
- 6. Multiple Choice
Which of the following products of burning fuels can cause breathing/lung conditions and global dimming?
Carbon particles C(s)
Sulfur dioxide SO2
Carbon monoxide CO
Carbon dioxide CO2
- 7. Multiple Choice
Which of the following products of burning fuels can cause acid rain?
Carbon particles C(s)
Sulfur dioxide SO2
Carbon monoxide CO
Carbon dioxide CO2
Nitrogen oxides
- 8. Multiple Choice
Which of these causes the release of carbon monoxide?
Burning fossil fuels containing impurities
Burning fossil fuels with sufficient oxygen
Burning fossil fuels with insufficient oxygen
Burning petrol only
- 9. Multiple Choice
Which of these can produce nitrogen oxides?
Only burning fossil fuels containing impurities
Only burning petrol
Burning fossil fuels in pure oxygen
Burning any fossil fuels in air
- 10. Multiple Choice
Which of these fuels will completely combust (burn) to form carbon dioxide only?
C4H10
Fuel oil (a fraction from oil used to power ships)
Pure carbon (e.g. graphite)
Pure hydrogen (H2)
Methane
- 11. Multiple Choice
Which of these fuels will completely combust (burn) to form water only (and is therefore unlikely to increase global warming)?
C4H10
Fuel oil (a fraction from oil used to power ships)
Pure carbon (e.g. graphite)
Pure hydrogen (H2)
Methane
- 12. Multiple Choice
Which environmental problem is caused by the release of particulates into the atmosphere?
Global warming
Global dimming
Acid rain
Depletion of the ozone layer
- 13. Multiple Choice
We can reduce the occurrence of acid rain by...
Removing sulfur from fuels before they are burned
Making sure there is enough oxygen to burn the fuel completely
Removing sulfur dioxide from waste gases before they are returned to the air
Using renewable energy sources
- 14. Multiple Choice
Global dimming is most likely to cause...
an increase in average global temperatures
acid rain
changes in rainfall patterns
rising sea levels
- 15. Multiple Choice
Which of these is not a way of limiting global warming?
Individuals reducing their energy usage
Switching to renewable energy sources
Ensuring fuels are burnt with sufficient oxygen, so incomplete combustion does not occur.
Switching to hydrogen fuel
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