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Nuclear fission and fusion: AQA GCSE Physics questions

Every AQA GCSE Physics exam question on 4.4.4 Nuclear fission and fusion, 2018–2025, with its mark scheme and examiner’s report.

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1,653 questions

  1. Q05.2

    June 2025 · Paper 1 Higher

    3 marks4.4.4 Nuclear fission and fusion
    The whole paper ↗
    June 2025 Paper 1 Higher, question 05.2: Explain how nuclear fusion releases energy. [3 marks]

  2. Q05.4

    June 2025 · Paper 1 Higher

    1 mark4.4.4 Nuclear fission and fusion
    The whole paper ↗
    June 2025 Paper 1 Higher, question 05.4: Nuclear fusion is safer than nuclear fission. Nuclear fission can lead to an uncontrolled chain reaction. Give one consequence of an uncontrolled chain reaction

  3. Q02.1

    June 2024 · Paper 1 Higher

    3 marks4.4.4 Nuclear fission and fusion
    The whole paper ↗
    June 2024 Paper 1 Higher, question 02.1: Complete the sentences. Choose answers from the box. [3 marks] electrons gamma rays neutrons nuclei protons In nuclear power stations, energy is released from u

  4. Q10.1

    June 2024 · Paper 1 Foundation

    3 marks4.4.4 Nuclear fission and fusion
    The whole paper ↗
    June 2024 Paper 1 Foundation, question 10.1: Complete the sentences. Choose answers from the box. [3 marks] electrons gamma rays neutrons nuclei protons In nuclear power stations, energy is released from u

  5. Q03.7

    June 2023 · Paper 1 Foundation

    2 marks4.4.4 Nuclear fission and fusion
    The whole paper ↗
    June 2023 Paper 1 Foundation, question 03.7: The process of nuclear fission takes place in nuclear power stations. The process of nuclear fusion takes place in the Sun. Draw one line from each process to i

  6. Q02.1

    November 2021 · Paper 1 Higher

    2 marks4.4.4 Nuclear fission and fusion
    The whole paper ↗
    November 2021 Paper 1 Higher, question 02.1: Complete the sentences. [2 marks] Nuclear fusion is the joining together of . During nuclear fusion the total mass of the particles .

  7. Q10.1

    November 2021 · Paper 1 Foundation

    2 marks4.4.4 Nuclear fission and fusion
    The whole paper ↗
    November 2021 Paper 1 Foundation, question 10.1: Complete the sentences. [2 marks] Nuclear fusion is the joining together of . During nuclear fusion the total mass of the particles .

  8. Q05.2

    November 2020 · Paper 1 Higher

    1 mark4.4.4 Nuclear fission and fusion
    The whole paper ↗
    November 2020 Paper 1 Higher, question 05.2: Give the name of one nuclear fuel. [1 mark]

  9. Q05.3

    November 2020 · Paper 1 Higher

    4 marks4.4.4 Nuclear fission and fusion
    The whole paper ↗
    November 2020 Paper 1 Higher, question 05.3: Nuclear fission releases energy. Describe the process of nuclear fission inside a nuclear reactor. [4 marks]

  10. Q05.4

    November 2020 · Paper 1 Higher

    2 marks4.4.4 Nuclear fission and fusion
    The whole paper ↗
    November 2020 Paper 1 Higher, question 05.4: A new type of power station is being developed that will generate electricity using nuclear fusion. Explain how the process of nuclear fusion leads to the relea

  11. Q05.2

    November 2020 · Paper 1 Foundation

    3 marks4.4.4 Nuclear fission and fusion
    The whole paper ↗
    November 2020 Paper 1 Foundation, question 05.2: Nuclear power stations use the process of nuclear fission. Complete the sentences to describe the process of nuclear fission. Choose answers from the box. [3 ma

  12. Q10.1

    Specimen · Paper 1 Higher

    3 marks4.4.4 Nuclear fission and fusion
    The whole paper ↗
    Specimen Paper 1 Higher, question 10.1: Figure 14 shows the first part of the nuclear fission reaction. Complete Figure 14 to show how the fission process starts a chain reaction. [3 mark Figure 14

  13. Q10.2

    Specimen · Paper 1 Higher

    2 marks4.4.4 Nuclear fission and fusion
    The whole paper ↗
    Specimen Paper 1 Higher, question 10.2: In a nuclear reactor a chain reaction occurs, which causes neutrons to be released. The control rods absorb neutrons. The control rods can be moved up and down.

  14. Q10.3

    Specimen · Paper 1 Higher

    2 marks4.4.4 Nuclear fission and fusion
    The whole paper ↗
    Specimen Paper 1 Higher, question 10.3: Calculate the rate of increase of power output at 10 minutes. [2 mark Rate of increase of power output = MW / minu
All 14 questions on Nuclear fission and fusion, as a list
  1. June 2025, Paper 1 Higher, Q05.2 (3 marks): Explain how nuclear fusion releases energy. [3 marks]
  2. June 2025, Paper 1 Higher, Q05.4 (1 mark): Nuclear fusion is safer than nuclear fission. Nuclear fission can lead to an uncontrolled chain reaction. Give one consequence of an uncontrolled chain reaction
  3. June 2024, Paper 1 Higher, Q02.1 (3 marks): Complete the sentences. Choose answers from the box. [3 marks] electrons gamma rays neutrons nuclei protons In nuclear power stations, energy is released from u
  4. June 2024, Paper 1 Foundation, Q10.1 (3 marks): Complete the sentences. Choose answers from the box. [3 marks] electrons gamma rays neutrons nuclei protons In nuclear power stations, energy is released from u
  5. June 2023, Paper 1 Foundation, Q03.7 (2 marks): The process of nuclear fission takes place in nuclear power stations. The process of nuclear fusion takes place in the Sun. Draw one line from each process to i
  6. November 2021, Paper 1 Higher, Q02.1 (2 marks): Complete the sentences. [2 marks] Nuclear fusion is the joining together of . During nuclear fusion the total mass of the particles .
  7. November 2021, Paper 1 Foundation, Q10.1 (2 marks): Complete the sentences. [2 marks] Nuclear fusion is the joining together of . During nuclear fusion the total mass of the particles .
  8. November 2020, Paper 1 Higher, Q05.2 (1 mark): Give the name of one nuclear fuel. [1 mark]
  9. November 2020, Paper 1 Higher, Q05.3 (4 marks): Nuclear fission releases energy. Describe the process of nuclear fission inside a nuclear reactor. [4 marks]
  10. November 2020, Paper 1 Higher, Q05.4 (2 marks): A new type of power station is being developed that will generate electricity using nuclear fusion. Explain how the process of nuclear fusion leads to the relea
  11. November 2020, Paper 1 Foundation, Q05.2 (3 marks): Nuclear power stations use the process of nuclear fission. Complete the sentences to describe the process of nuclear fission. Choose answers from the box. [3 ma
  12. Specimen, Paper 1 Higher, Q10.1 (3 marks): Figure 14 shows the first part of the nuclear fission reaction. Complete Figure 14 to show how the fission process starts a chain reaction. [3 mark Figure 14
  13. Specimen, Paper 1 Higher, Q10.2 (2 marks): In a nuclear reactor a chain reaction occurs, which causes neutrons to be released. The control rods absorb neutrons. The control rods can be moved up and down.
  14. Specimen, Paper 1 Higher, Q10.3 (2 marks): Calculate the rate of increase of power output at 10 minutes. [2 mark Rate of increase of power output = MW / minu

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