15 exam-style questions. Write your answer, check it against the mark scheme and tick the points you earned. Your marks stay on this device. Your writing is not saved.
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5.13 Greenhouse gases
Exam question
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State four greenhouse gases.
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Total for this question: 4 marks
5.13 Greenhouse gases
Exam question
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Explain how greenhouse gases keep the Earth warm.
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Total for this question: 3 marks
5.13 Greenhouse gases
Exam question
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Which gas is released by cattle and rice paddies?
(1)Total for this question: 1 mark
5.13 Greenhouse gases
Exam question
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Explain why the natural greenhouse effect is important for life.
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Total for this question: 2 marks
5.13 Greenhouse gases
Exam question
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Identify the greenhouse gas released by fertilisers.
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Total for this question: 1 mark
5.13 Greenhouse gases
Exam question
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Explain why CFCs are no longer used in fridges.
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Total for this question: 2 marks
5.13 Greenhouse gases
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Compare methane and carbon dioxide as greenhouse gases.
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Total for this question: 2 marks
5.13 Greenhouse gases
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Suggest why water vapour is often left out of discussions about human-caused warming.
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Total for this question: 2 marks
5.13 Greenhouse gases
Exam question
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Illustrative rounded values.
| Year | CO₂ / ppm |
|---|---|
| 1960 | 317 |
| 1980 | 339 |
| 2000 | 370 |
| 2020 | 414 |
Calculate the percentage increase in CO₂ from 1960 to 2020.
(2)Total for this question: 2 marks
5.13 Greenhouse gases
Exam question
Mark points shown after marking
| Year | CO₂ / ppm |
|---|---|
| 1960 | 317 |
| 1980 | 339 |
| 2000 | 370 |
| 2020 | 414 |
Describe the trend in CO₂ concentration.
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Total for this question: 2 marks
5.13 Greenhouse gases
Exam question
Mark points shown after marking
| Year | CO₂ / ppm |
|---|---|
| 1960 | 317 |
| 1980 | 339 |
| 2000 | 370 |
| 2020 | 414 |
Explain why the rate of increase in CO₂ rose after 1980.
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Total for this question: 2 marks
5.13 Greenhouse gases
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State the type of radiation absorbed by greenhouse gases.
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Total for this question: 1 mark
5.13 Greenhouse gases
Exam question
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Explain how microorganisms in landfill sites release methane.
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Total for this question: 2 marks
5.13 Greenhouse gases
Exam question
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Suggest how methane from landfill can be used.
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Total for this question: 2 marks
5.13 Greenhouse gases
Exam question
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Give one source of carbon dioxide and one source of methane from human activity.
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Total for this question: 2 marks
