Key term for OCR GCSE Physics B, used in The Big Bang.
The accepted scientific theory that the universe began from a very small, hot, and dense point and has been expanding and cooling ever since.
Big Bang model appears in OCR GCSE Physics B revision content for Matter – models and explanations, especially The Big Bang and The Big Bang.
Create a free account to access OCR GCSE Physics B revision notes, track progress, and practise related key terms.