Life Cycle of Stars (Edexcel GCSE Physics): Quizzes
📚Quizzes
Practise the questions
11 questions from this quiz
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Practise the questions
11 questions from this quiz
What is a nebula?
What is a nebula?
A cloud of dust and gas
What is a nebula primarily composed of?
What is a nebula primarily composed of?
Hydrogen
What forms when gravity pulls gas and dust together in a nebula?
What forms when gravity pulls gas and dust together in a nebula?
A protostar
During nuclear fusion, hydrogen nuclei fuse to form which element?
During nuclear fusion, hydrogen nuclei fuse to form which element?
Helium
What balances gravity during a star's main sequence phase?
What balances gravity during a star's main sequence phase?
Thermal expansion pressure
What is the stable phase of a star's life called?
What is the stable phase of a star's life called?
Main sequence
How long does the main sequence phase last for an average-sized star like the Sun?
How long does the main sequence phase last for an average-sized star like the Sun?
Around 7 billion years
Why do massive stars have shorter main sequence lifespans?
Why do massive stars have shorter main sequence lifespans?
Higher fusion rates
What is the remaining core of a small- to medium-sized star called?
What is the remaining core of a small- to medium-sized star called?
White dwarf
What is the massive explosion of a large star called?
What is the massive explosion of a large star called?
Supernova
What forms if a supernova core is massive enough?
What forms if a supernova core is massive enough?
Black hole