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Learning objective

(Physics only) Explain that the observed expansion of the universe supports the Big Bang theory.

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Topic

Red-shift

Subtopic

Red-shift and evidence for an expanding universe

Aqa Gcse PhysicsSpace physics

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Quick explanation

(Physics only) Explain that the observed expansion of the universe supports the Big Bang theory

  • This point belongs to Red-shift, especially Red-shift and evidence for an expanding universe.
  • You need to be able to (Physics only) Explain that the observed expansion of the universe supports the Big Bang theory.
  • The key ideas to know are Big Bang theory, universe, and physics only.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

Big Bang theoryuniversephysics onlyexpansion

Why it matters

This objective helps connect Red-shift and evidence for an expanding universe to exam-style questions, flashcards, and revision notes for Red-shift.

Quick student answer

What should you know about (Physics only) Explain that the observed expansion of the universe supports the Big Bang theory?

Direct answer

In Physics, this page helps you answer questions about (Physics only) Explain that the observed expansion of the universe supports the Big Bang theory within Red-shift. Focus on the key process, correct scientific terms, and how the idea links to exam-style questions. Key terms to check are space-44-term-01 classification Red-shift and evidence for an expanding universe and space-44-term-02 evidence Red-shift and evidence for an expanding universe.

Key terms

  • space-44-term-01 classification Red-shift and evidence for an expanding universe: A classification cue for distant galaxy spectrum: it supports (Physics only) Explain that the observed expansion of the universe supports the Big Bang theory by linking the correct Space Physics object, stage, motion or evidence to Red-shift and evidence for an expanding universe. Red shift means light from distant galaxies has increased wavelength; together with cosmic microwave background radiation it supports an expanding universe from the Big Bang. Cue words: identify classify category label definition object type membership distinction.
  • space-44-term-02 evidence Red-shift and evidence for an expanding universe: A evidence cue for red-shifted absorption lines: it supports (Physics only) Explain that the observed expansion of the universe supports the Big Bang theory by linking the correct Space Physics object, stage, motion or evidence to Red-shift and evidence for an expanding universe. Red shift means light from distant galaxies has increased wavelength; together with cosmic microwave background radiation it supports an expanding universe from the Big Bang. Cue words: observation spectrum signal data measurement inference support pattern conclusion.

Common trap

Red-shift and evidence for an expanding universe common mistake 1: Answer by clearly explaining how to (Physics only) Explain that the observed expansion of the universe supports the Big Bang theory..

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Question 1

space-44-mcq-01. For a distant galaxy spectrum, choose the strongest classification answer about (Physics only) Explain that the observed expansion of the universe supports the Big Bang theory. Focus vocabulary: identify classify category label definition object type membership distinction.

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