11 mark
Which two elements are the most commonly found in the Sun?
Hydrogen and oxygen
Helium and carbon
Hydrogen and helium
Nitrogen and oxygen
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Stars & the Universe (CIE IGCSE Physics: Co-ordinated Sciences (Double Award))
Exam Questions
1 hour16 questions21 mark
Which of the following describes the lifecycle of a star about the size of the Sun?
interstellar hydrogen clouds → protostar → main sequence star → red supergiant → black hole
interstellar hydrogen clouds → planetary nebula → main sequence star → red giant → protostar→ white dwarf
interstellar hydrogen clouds → protostar → main sequence star → red giant → planetary nebula → white dwarf
interstellar hydrogen clouds → protostar → main sequence star → red supergiant → neutron star
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31 mark
Which part of the electromagnetic spectrum does the Sun radiate most of its energy in?
radio, visible and gamma
infrared, visible and ultraviolet
infrared, X-rays and gamma
infrared, visible and gamma
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11 mark
What is the correct description of the Milky Way?
Universe
Star
Galaxy
Nebula
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21 mark
How many years would it take light to travel from the centre of the Milky Way to the outer edge?
500 years
50 000 years
100 000 years
100 000 light years
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31 mark
Extended tier only
What is the process which makes stable stars such as the Sun shine, and which element produced in the reaction?
| Process | Element | |
| A | fusion | oxygen |
| B | fission | hydrogen |
| C | fusion | helium |
| D | fission | hydrogen |
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