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GCSE level questions on the Earth in Space

Q10.The lifecycle of some stars includes a supernova stage.

(a)

(i) What happens to a star during the supernova stage?

[1 mark]

(ii) After the supernova stage either a black hole or a _ _ _ _ _ _ star will be formed. What is the missing word?

[1 mark]

(iii) The lifecycle of the Sun will not include a supernova stage. Give the reason why.

[1 mark]

 

(b) Describe what happens to a star like the Sun as it passes through its lifecycle. Your answer should include how the star was formed and the names of the stages the star passes through.

[6 marks]

(c) There are a number of theories about how the Universe will end. A recent theory suggests that 22 billion years from now the Universe will rip itself apart.

Suggest why scientists may support one particular theory and reject others.

[2 marks]

(Total 11 marks)