Fusion in Stars (AQA GCSE Physics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
ShowHide
Practise the questions
10 questions from this quiz
Where do fusion reactions occur in a protostar?
Where do fusion reactions occur in a protostar?
In the core
What do fusion reactions in a protostar release?
What do fusion reactions in a protostar release?
Lots of energy
What happens to the protostar as energy is released in its core?
What happens to the protostar as energy is released in its core?
It becomes hotter
What does a protostar eventually form?
What does a protostar eventually form?
A star
Which nuclei fuse together in the core of a star?
Which nuclei fuse together in the core of a star?
Hydrogen nuclei
What nuclei are formed when hydrogen nuclei fuse?
What nuclei are formed when hydrogen nuclei fuse?
Helium nuclei
How many key forces act on a star during fusion?
How many key forces act on a star during fusion?
Two
What is a star called when the two forces keep it in balance?
What is a star called when the two forces keep it in balance?
A main sequence star
What does gravity do to the star's matter?
What does gravity do to the star's matter?
Pulls it inward
What does pressure from fusion do to the star's matter?
What does pressure from fusion do to the star's matter?
Pushes it outward