The Life of a Star

2 marks · Normal

State two differences between a red giant and a white dwarf star in terms of their physical properties.

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Also accept: Red giant is cooler; white dwarf is hotter.; Red giant is larger; white dwarf is smaller.; Red giant is less dense; white dwarf is more dense.; Red giant is brighter/luminous; white dwarf is dim.

Common mistakes: Mixing up density or temperature

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Marking points

B1 · 2 marks · One mark each for a valid, contrasting property (e.g. temperature, size, density).

Worked solution

Red giants are large and cool, white dwarfs are small and hot (and much denser).