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Climate change: Edexcel GCSE Combined Science questions

Every Edexcel GCSE Combined Science 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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Calculations

2,937 questions

  1. Q5(d)

    June 2025 · Chemistry Paper 2 Higher

    6 marksClimate change
    The whole paper ↗

  2. Q2(d)

    June 2024 · Chemistry Paper 2 Higher

    2 marksClimate change
    The whole paper ↗

  3. Q3(d)(i)

    June 2023 · Chemistry Paper 2 Foundation

    2 marksClimate change
    The whole paper ↗

  4. Q3(d)(ii)

    June 2023 · Chemistry Paper 2 Foundation

    1 markClimate change
    The whole paper ↗

  5. Q2(d)

    November 2021 · Chemistry Paper 2 Higher

    3 marksClimate change
    The whole paper ↗

  6. Q6(d)

    November 2021 · Chemistry Paper 2 Foundation

    3 marksClimate change
    The whole paper ↗

  7. Q1(d)(i)

    November 2020 · Chemistry Paper 2 Foundation

    2 marksClimate change
    The whole paper ↗

  8. Q1(d)(ii)

    November 2020 · Chemistry Paper 2 Foundation

    1 markClimate change
    The whole paper ↗

  9. Q4(e)(i)

    June 2018 · Chemistry Paper 2 Foundation

    1 markClimate change
    The whole paper ↗

  10. Q4(e)(ii)

    June 2018 · Chemistry Paper 2 Foundation

    1 markClimate change
    The whole paper ↗

  11. Q4(e)(iii)

    June 2018 · Chemistry Paper 2 Foundation

    2 marksClimate change
    The whole paper ↗
All 11 questions on Climate change, as a list
  1. June 2025, Chemistry Paper 2 Higher, Q5(d) (6 marks): Natural processes and human activities change the amount of carbon dioxide in the atmosphere. Figure 6 shows the concentration of carbon dioxide in the atmosphe
  2. June 2024, Chemistry Paper 2 Higher, Q2(d) (2 marks): Carbon dioxide is removed from the atmosphere by plants and stored in plants and soil as carbon compounds. Figure 3 shows the relative amounts of carbon stored
  3. June 2023, Chemistry Paper 2 Foundation, Q3(d)(i) (2 marks): The amount of carbon dioxide in the atmosphere is measured in parts per million (ppm). Figure 7 shows the amount of carbon dioxide in the atmosphere in June 200
  4. June 2023, Chemistry Paper 2 Foundation, Q3(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, Chemistry Paper 2 Higher, Q2(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, Chemistry Paper 2 Foundation, Q6(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, Chemistry 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, Chemistry 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, Chemistry Paper 2 Foundation, Q4(e)(i) (1 mark): Describe how the amount of carbon dioxide in the Earth’s atmosphere varies within each year. (1)
  10. June 2018, Chemistry Paper 2 Foundation, Q4(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, Chemistry Paper 2 Foundation, Q4(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

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