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HomeAQA GCSE PhysicsThe Big Bang theory and cosmic microwave background radiation
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The Big Bang theory and cosmic microwave background radiation
Practice Questions

40 AQA GCSE Physics questions on The Big Bang theory and cosmic microwave background radiation, 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 The Big Bang theory and cosmic microwave background radiation.

Try 2 sample questions on The Big Bang theory and cosmic microwave background radiation

Question 1 · 1 mark · Difficulty 1/3

What was the early universe like according to the Big Bang theory?

  1. Completely empty
  2. Cold and spread out
  3. Extremely hot and extremely dense
  4. Exactly as it is today
Show answer & explanation
✓ Answer: CExtremely hot and extremely dense
It has been expanding and cooling ever since.
Question 2 · 1 mark · Difficulty 1/3

What has happened to the universe since the Big Bang?

  1. It has stayed exactly the same
  2. It has expanded and cooled
  3. It has broken into separate universes
  4. It has contracted and heated
Show answer & explanation
✓ Answer: BIt has expanded and cooled
The cosmic microwave background is the cooled remnant of that early heat.
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20 questions · 25 min · free

AQA GCSE Physics: The Big Bang theory and cosmic microwave background radiation FAQ

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 The Big Bang theory and cosmic microwave background radiation 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 The Big Bang theory and cosmic microwave background radiation 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 The Big Bang theory and cosmic microwave background radiation typically tested on AQA GCSE Physics papers?
The Big Bang theory and cosmic microwave background radiation 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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