The life cycle of stars (AQA GCSE Physics): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is a nebula?
What is a nebula?
A cloud of dust and hydrogen gas
What temperature must a star's core reach before nuclear fusion can begin?
What temperature must a star's core reach before nuclear fusion can begin?
About 10 million degrees Celsius
What determines what happens to a star throughout its life?
What determines what happens to a star throughout its life?
How much mass it has when it forms
What type of star is our Sun?
What type of star is our Sun?
A low-mass star
During which stage do stars spend most of their lives?
During which stage do stars spend most of their lives?
Main sequence
What balance exists in a main sequence star?
What balance exists in a main sequence star?
Gravity pulling inwards and fusion energy pushing outwards
What happens when a low-mass star becomes a red giant?
What happens when a low-mass star becomes a red giant?
It expands and outer layers cool and turn red
What is the final stage of a low-mass star?
What is the final stage of a low-mass star?
Black dwarf
How do high-mass star lifespans compare to low-mass stars?
How do high-mass star lifespans compare to low-mass stars?
Much shorter lives
What happens during a supernova?
What happens during a supernova?
Massive explosion scattering heavy elements
What determines if a high-mass star becomes a neutron star or black hole?
What determines if a high-mass star becomes a neutron star or black hole?
The remaining core's mass after supernova
Where do heavy elements like iron and gold come from?
Where do heavy elements like iron and gold come from?
Created in stars and spread by supernovae