Physics GCSE
balloon model
What balloon model means in Physics GCSE, as defined for AQA.
Definition of balloon model
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Reference: AQA
Dots inked onto a balloon all move apart as it is blown up, and the dots that start furthest apart separate fastest.
Topics that use balloon model
- 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 balloon model in the exam
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