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HomeAQA GCSE PhysicsThe Big Bang theory and cosmic microwave background radiation
AQA · GCSE · Physics

The Big Bang theory and cosmic microwave background radiation
Practice Questions

15 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 2/3

The CMBR is found in which part of the electromagnetic spectrum?

  1. Microwaves
  2. Visible light
  3. Gamma rays
  4. Radio used for TV
Show answer & explanation
✓ Answer: AMicrowaves
As the name says, the cosmic microwave background radiation is in the microwave region.
Question 2 · 1 mark · Difficulty 2/3

Scientific theories like the Big Bang are accepted when they:

  1. Are supported by evidence and explain observations
  2. Are voted for
  3. Are the oldest ideas
  4. Cannot be tested
Show answer & explanation
✓ Answer: AAre supported by evidence and explain observations
Theories gain acceptance when they best explain the evidence and survive testing.
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20 questions · 25 min · free

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

How many AQA GCSE Physics questions on The Big Bang theory and cosmic microwave background radiation are there on Kramizo?
Kramizo currently has 15 exam-board-aligned practice questions on The Big Bang theory and cosmic microwave background radiation 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 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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