Physics GCSE
Big Bang theory
What Big Bang theory means in Physics GCSE, as defined for AQA.
Definition of Big Bang theory
Check what you remember
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Reference: AQA
Suggests that the universe began from a very small region that was extremely hot and dense.
Topics that use Big Bang theory
- 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 Big Bang theory in the exam
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