Following closely along with the AQA GCSE physics book, this lesson PowerPoint covers chapter 16.4: The Expanding Universe.
The lesson objectives are:
- What is meant by the red-shift of a light source
- How red-shift depends on speed
- How people know that the distant galaxies are moving away from Earth
- Why people think the universe is expanding
As the content is for triple science students, the lesson has been aimed at high ability. The answers at the end refer to the summary questions in the AQA GCSE physics book, page 239.
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