The newest 13 of 13 written questions. Open one to see it on the real paper.
State one effect of higher levels of methane in the atmosphere.
See it on the paper →Higher levels of methane in the atmosphere lead to increased global warming. Global warming leads to climate change. State two ways to reduce the effects of climate change. Voce eect
See it on the paper →State one adverse effect of higher levels of carbon dioxide in the atmosphere.
See it on the paper →Carbon dioxide is a greenhouse gas and causes global warming. Complete the sentences to describe how carbon dioxide causes global warming. Use words from the list. Each word can be used once, more than once, or not at all. absorbed reflected refracted stored Energy from the Sun reaches the Earth’s surface. Some energy...
See it on the paper →Name one other greenhouse gas.
See it on the paper →Carbon dioxide is a greenhouse gas. State two problems caused by increased concentrations of greenhouse gases. ,
See it on the paper →Scientists are concerned about the increase in the amount of greenhouse gases in the Earth’s atmosphere. Name one greenhouse gas.
See it on the paper →Some candidates thought that higher levels of carbon dioxide would lead to breathing difficulties due to a lack of oxygen in the air or that it would cause a hole in the ozone layer, neither of which gained credit. Other candidates gave vague references to pollution or described causes of the increase, like burning of fossil fuels. The link between atmospheric carbon dioxide concentration and glob...
— Examiner report, May/June 2025, 0654/33 Q6(b)(i) (Cambridge)
There was a good understanding of how carbon dioxide causes global warming, with almost all candidates scoring some marks and the majority scoring full marks.
— Examiner report, May/June 2025, 0654/41 Q6(e) (Cambridge)
Many candidates suggested either methane or carbon monoxide as a greenhouse gas. Incorrect responses included oxygen and nitrogen.
— Examiner report, February/March 2023, 0654/32 Q5(c)(iii) (Cambridge)
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is a greenhouse gas.
Carbon dioxide is a greenhouse gas. State the name of one other greenhouse gas.
See it on the paper →Sulfur dioxide is a pollutant that causes acid rain. Sulfur dioxide is not removed from car emissions by a catalytic converter. Describe one way that emissions of sulfur dioxide by cars can be reduced.
See it on the paper →Carbon dioxide gas is a greenhouse gas. State the name of one other greenhouse gas.
See it on the paper →Identify one molecule from Table 8.1 which is a greenhouse gas.
See it on the paper →Use Fig. 11.1 to name one greenhouse gas.
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