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Climate change: Edexcel GCSE Chemistry questions

Every Edexcel GCSE Chemistry exam question on Climate change (specification points 8.24–8.26), 2018–2025, with its mark scheme and examiner’s report.

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1,880 questions

  1. Q7(d)

    June 2025 · Paper 2 Higher

    6 marksClimate change
    The whole paper ↗
    June 2025 Paper 2 Higher, question 7(d): Natural processes and human activities change the amount of carbon dioxide in the atmosphere. Figure 10 shows the concentration of carbon dioxide in the atmosph

  2. Q3(d)

    June 2024 · Paper 2 Higher

    2 marksClimate change
    The whole paper ↗
    June 2024 Paper 2 Higher, question 3(d): Carbon dioxide is removed from the atmosphere by plants and stored in plants and soil as carbon compounds. Figure 5 shows the relative amounts of carbon stored

  3. Q4(d)(i)

    June 2023 · Paper 2 Foundation

    2 marksClimate change
    The whole paper ↗
    June 2023 Paper 2 Foundation, question 4(d)(i): The amount of carbon dioxide in the atmosphere is measured in parts per million (ppm). Figure 8 shows the amount of carbon dioxide in the atmosphere in June 200

  4. Q4(d)(ii)

    June 2023 · Paper 2 Foundation

    1 markClimate change
    The whole paper ↗
    June 2023 Paper 2 Foundation, question 4(d)(ii): State one possible effect that could be caused by the increasing amount of carbon dioxide in the atmosphere. (1)

  5. Q3(d)

    November 2021 · Paper 2 Higher

    3 marksClimate change
    The whole paper ↗
    November 2021 Paper 2 Higher, question 3(d): Explain how the greenhouse effect is caused by the gases produced by the complete combustion of diesel oil. (3)

  6. Q9(d)

    November 2021 · Paper 2 Foundation

    3 marksClimate change
    The whole paper ↗
    November 2021 Paper 2 Foundation, question 9(d): Explain how the greenhouse effect is caused by the gases produced by the complete combustion of diesel oil. (3)

  7. Q1(d)(i)

    November 2020 · Paper 2 Foundation

    2 marksClimate change
    The whole paper ↗
    November 2020 Paper 2 Foundation, question 1(d)(i): Calculate the increase in the concentration, in ppm, of carbon dioxide from January 2018 to January 2019. Give your answer to the nearest whole number. (2) incr

  8. Q1(d)(ii)

    November 2020 · Paper 2 Foundation

    1 markClimate change
    The whole paper ↗
    November 2020 Paper 2 Foundation, question 1(d)(ii): Give a possible cause for this increase in the concentration of carbon dioxide. (1)

  9. Q6(e)(i)

    June 2018 · Paper 2 Foundation

    1 markClimate change
    The whole paper ↗
    June 2018 Paper 2 Foundation, question 6(e)(i): Describe how the amount of carbon dioxide in the Earth’s atmosphere varies within each year. (1)

  10. Q6(e)(ii)

    June 2018 · Paper 2 Foundation

    1 markClimate change
    The whole paper ↗
    June 2018 Paper 2 Foundation, question 6(e)(ii): Describe the overall trend in the amount of carbon dioxide in the Earth’s atmosphere from 1985 to 2005. (1)

  11. Q6(e)(iii)

    June 2018 · Paper 2 Foundation

    2 marksClimate change
    The whole paper ↗
    June 2018 Paper 2 Foundation, question 6(e)(iii): Calculate the change in the amount of carbon dioxide in the Earth’s atmosphere from the beginning of 1990 to the beginning of 2000. (2) change in amount = ppm

  12. Q1(c)

    Specimen · Paper 2 Higher

    2 marksClimate change
    The whole paper ↗
    Specimen Paper 2 Higher, question 1(c): The graphs in Figure 1 and Figure 2 show the concentration of carbon dioxide in the atmosphere and the mean global temperature between 1960 and 2000. 370 360 35

  13. Q1(d)

    Specimen · Paper 2 Higher

    1 markClimate change
    The whole paper ↗
    Specimen Paper 2 Higher, question 1(d): Which of these pairs of gases are both greenhouse gases? (1) A nitrogen and methane B nitrogen and oxygen C oxygen and water vapour D water vapour and methane

  14. Q1(c)(i)

    Specimen · Paper 2 Foundation

    2 marksClimate change
    The whole paper ↗
    Specimen Paper 2 Foundation, question 1(c)(i): Use the graph to calculate the increase in the volume of carbon dioxide in 1 m3 of atmosphere from 1960 to 2010. (2) increase in volume of carbon dioxide = cm3

  15. Q1(c)(ii)

    Specimen · Paper 2 Foundation

    2 marksClimate change
    The whole paper ↗
    Specimen Paper 2 Foundation, question 1(c)(ii): Describe how carbon dioxide is released into today’s atmosphere. (2)
All 15 questions on Climate change, as a list
  1. June 2025, Paper 2 Higher, Q7(d) (6 marks): Natural processes and human activities change the amount of carbon dioxide in the atmosphere. Figure 10 shows the concentration of carbon dioxide in the atmosph
  2. June 2024, Paper 2 Higher, Q3(d) (2 marks): Carbon dioxide is removed from the atmosphere by plants and stored in plants and soil as carbon compounds. Figure 5 shows the relative amounts of carbon stored
  3. June 2023, Paper 2 Foundation, Q4(d)(i) (2 marks): The amount of carbon dioxide in the atmosphere is measured in parts per million (ppm). Figure 8 shows the amount of carbon dioxide in the atmosphere in June 200
  4. June 2023, Paper 2 Foundation, Q4(d)(ii) (1 mark): State one possible effect that could be caused by the increasing amount of carbon dioxide in the atmosphere. (1)
  5. November 2021, Paper 2 Higher, Q3(d) (3 marks): Explain how the greenhouse effect is caused by the gases produced by the complete combustion of diesel oil. (3)
  6. November 2021, Paper 2 Foundation, Q9(d) (3 marks): Explain how the greenhouse effect is caused by the gases produced by the complete combustion of diesel oil. (3)
  7. November 2020, Paper 2 Foundation, Q1(d)(i) (2 marks): Calculate the increase in the concentration, in ppm, of carbon dioxide from January 2018 to January 2019. Give your answer to the nearest whole number. (2) incr
  8. November 2020, Paper 2 Foundation, Q1(d)(ii) (1 mark): Give a possible cause for this increase in the concentration of carbon dioxide. (1)
  9. June 2018, Paper 2 Foundation, Q6(e)(i) (1 mark): Describe how the amount of carbon dioxide in the Earth’s atmosphere varies within each year. (1)
  10. June 2018, Paper 2 Foundation, Q6(e)(ii) (1 mark): Describe the overall trend in the amount of carbon dioxide in the Earth’s atmosphere from 1985 to 2005. (1)
  11. June 2018, Paper 2 Foundation, Q6(e)(iii) (2 marks): Calculate the change in the amount of carbon dioxide in the Earth’s atmosphere from the beginning of 1990 to the beginning of 2000. (2) change in amount = ppm
  12. Specimen, Paper 2 Higher, Q1(c) (2 marks): The graphs in Figure 1 and Figure 2 show the concentration of carbon dioxide in the atmosphere and the mean global temperature between 1960 and 2000. 370 360 35
  13. Specimen, Paper 2 Higher, Q1(d) (1 mark): Which of these pairs of gases are both greenhouse gases? (1) A nitrogen and methane B nitrogen and oxygen C oxygen and water vapour D water vapour and methane
  14. Specimen, Paper 2 Foundation, Q1(c)(i) (2 marks): Use the graph to calculate the increase in the volume of carbon dioxide in 1 m3 of atmosphere from 1960 to 2010. (2) increase in volume of carbon dioxide = cm3
  15. Specimen, Paper 2 Foundation, Q1(c)(ii) (2 marks): Describe how carbon dioxide is released into today’s atmosphere. (2)

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