iGCSE Physics - 6.2.3 The Universe CORE

This Powerpoint specifically uses the Cambridge iGCSE Syllabus and covers all criteria for – Unit 6.2.3 The Universe CORE

Know that the Milky Way is one of many billions of galaxies making up the Universe and that the diameter of the Milky Way is approximately 100000 light-years

Describe redshift as an increase in the observed wavelength of electromagnetic
radiation emitted from receding stars and galaxies

Know that the light emitted from distant galaxies appears redshifted in comparison with light emitted on the Earth

Know that redshift in the light from distant galaxies is evidence that the Universe is expanding and supports the Big Bang Theory

**Every Powerpoint includes learning objectives, a starter and plenary, suitable activities and review questions with mark scheme. We also provide a free pdf version of the file so it can easily be printed for students as a handout or uploaded to the school VLE system
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