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HomeAQA GCSE PhysicsNuclear fission and chain reactions
AQA · GCSE · Physics

Nuclear fission and chain reactions
Practice Questions

15 AQA GCSE Physics questions on Nuclear fission and chain reactions, each with instant feedback and a full examiner-style mark scheme.

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✨ Revision guide includes key terms, worked examples and exam technique for Nuclear fission and chain reactions.

Try 2 sample questions on Nuclear fission and chain reactions

Question 1 · 1 mark · Difficulty 2/3

Nuclear fission is the:

  1. Splitting of a large unstable nucleus
  2. Joining of two small nuclei
  3. Loss of an electron
  4. Emission of light
Show answer & explanation
✓ Answer: ASplitting of a large unstable nucleus
Fission is the splitting of a large, unstable nucleus into smaller nuclei, releasing energy.
Question 2 · 1 mark · Difficulty 2/3

A common fuel used in nuclear fission reactors is:

  1. Uranium-235
  2. Hydrogen
  3. Helium
  4. Carbon dioxide
Show answer & explanation
✓ Answer: AUranium-235
Uranium-235 (and plutonium-239) are common fission fuels.
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20 questions · 25 min · free

AQA GCSE Physics: Nuclear fission and chain reactions FAQ

How many AQA GCSE Physics questions on Nuclear fission and chain reactions are there on Kramizo?
Kramizo currently has 15 exam-board-aligned practice questions on Nuclear fission and chain reactions for AQA GCSE Physics, with new questions added every week. Each question gives you instant feedback and a full examiner-style mark scheme that tells you exactly what would earn marks on a real AQA paper. The questions span the full difficulty range — from straightforward recall (level 1) right up to multi-step reasoning and evaluation (level 3) — so the bank works for first-pass revision and final exam-week stress testing alike.
Is Kramizo free for AQA GCSE students preparing for Physics?
Yes — completely free. Every student gets 45 questions a day on the free plan, with no card required and no trial countdown. That free quota works across every subject and every topic in our bank, so you can mix Nuclear fission and chain reactions practice with other Physics topics or even switch to a totally different AQA subject without paying anything. Kramizo's optional Pro plan removes the daily cap and adds detailed progress analytics, but the free tier is the real product — used by thousands of GCSE, IGCSE and CSEC students.
Are the Nuclear fission and chain reactions questions aligned to the official AQA GCSE Physics syllabus?
Every question is written against the published AQA GCSE Physics specification, including the exact command words (state, describe, explain, calculate, evaluate, etc.), mark allocations, and difficulty tier you'd see on a real AQA paper. Explanations are written in the style of official examiner mark schemes — they tell you what is being awarded marks and why distractors are wrong, not just whether you got it right. The bank is continually refined to match the latest syllabus updates from AQA.
How is Nuclear fission and chain reactions typically tested on AQA GCSE Physics papers?
Nuclear fission and chain reactions appears across multiple question types on real AQA GCSE Physics papers — most commonly as multiple-choice questions in the objective section, structured short-answer questions in the main paper, and occasionally as part of an extended response. Kramizo's practice bank reflects that mix: 4-option MCQs, true/false statements, fill-in-the-blank key terms, multi-select questions, and ordering questions. Working through the bank gives you exposure to every question style examiners actually use.

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