#138
4.8.2.1 Red Shift
Paper 2 · Triple only
Spec reference: 4.8.2 (subtopic).
What you need to know
- (KO snippet not found yet — we can map this manually.)
Self-assessment (checklist)
- I can explain what is meant by red-shift.
- I can explain qualitatively the red-shift of light from
- I can explain that the change of each galaxy’s speed
- I can explain how red-shift provides evidence for
- I can explain how scientists are able to use
Key steps (method)
- Identify what the question is testing and use the correct equation/definition.
- Show substitutions and units clearly.
Common mistakes
- Unit conversions, rearranging errors, or quoting a law without applying it.