Scientists have suggested two theories for the origin of the Universe. These are the Big Bang theory and the Steady State theory.
Give the name of the theory that is the currently accepted model for the origin of the Universe.
Name the two pieces of evidence that support the Big Bang theory.
State one idea that is part of both the Big Bang theory and the Steady State theory.
State why the Big Bang theory is the currently accepted model.
94 exam-style questions on Edexcel GCSE Physics 7.2 The Universe and red-shift, covering 7.2.1 Big Bang and Steady State theories, 7.2.2 Evidence for the Big Bang, 7.2.3 The Doppler effect and red-shift, 7.2.4 Red-shift as evidence for an expanding Universe, and 7.2.5 The CMB and the accepted model. Each one has a worked solution and a mark scheme showing where the marks go.