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7.2 The Universe and red-shift

7.2 The Universe and red-shift

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Question 22

The Big Bang theory is a key scientific model explaining the origin and evolution of the Universe.

According to this theory:

  • the Universe expanded from a very hot, dense initial state
  • the space between galaxies is continuing to expand.

Which of the following discoveries provides direct evidence that the Universe is expanding?

A

the observation of red-shift in light from distant galaxies

B

the detection of exoplanets in nearby star systems

C

the cyclical phases of the Moon as seen from Earth

D

the presence of heavy elements in rocky planet cores

Markscheme

7.2 The Universe and red-shift Questions

  1. GCSE
  2. /Physics
  3. /7.2 The Universe and red-shift

53 exam-style questions on Edexcel GCSE Physics 7.2 The Universe and red-shift. Each one has a worked solution and a mark scheme showing where the marks go.

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