Nuclear Fission and Fusion – Question 1

(a) As part of its life cycle, a star changes from being a protostar to a main sequence star.

Explain the difference between a protostar and a main sequence star.

4 lines(2 marks)


(b) The early Universe contained only atoms of hydrogen. The Universe now contains atoms of over one hundred different elements.

Explain how the different elements now contained in the Universe were formed.

6 lines(3 marks)

How did you do? Click to view the Mark Scheme Answers


From Q6 P2 AQA June 2012 (Higher)

Nuclear Fission and Fusion – Question 1 was last modified: October 29th, 2015 by Olly Wedgwood

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