Physics GCSE
evidence for the Big Bang
What evidence for the Big Bang means in Physics GCSE, as defined for AQA.
Definition of evidence for the Big Bang
Check what you remember
Read the wording for your board, then hide it and explain evidence for the Big Bang in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Running the expansion backwards shows everything was once together, which is what the Big Bang theory describes.
Topics that use evidence for the Big Bang
- Red-shift (physics only) (AQA GCSE)
Related terms
- absorption line spectra
- accelerating expansion
- dark energy
- dark mass and dark energy
- expanding universe
- increase in wavelength
- measuring distance
- receding galaxies
Using evidence for the Big Bang in the exam
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