11 markeasy
Which two elements are the most commonly found in the Sun?
Choose your answer
Hydrogen and oxygen
Helium and carbon
Hydrogen and helium
Nitrogen and oxygen
Co-ordinated Sciences (Double Award) — Physics
6 questions · 6 marks · ≈ 6 min
Which two elements are the most commonly found in the Sun?
Choose your answer
Hydrogen and oxygen
Helium and carbon
Hydrogen and helium
Nitrogen and oxygen
Which of the following describes the lifecycle of a star about the size of the Sun?
Choose your answer
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
Which part of the electromagnetic spectrum does the Sun radiate most of its energy in?
Choose your answer
radio, visible and gamma
infrared, visible and ultraviolet
infrared, X-rays and gamma
infrared, visible and gamma
What is the correct description of the Milky Way?
Choose your answer
Universe
Star
Galaxy
Nebula
How many years would it take light to travel from the centre of the Milky Way to the outer edge?
Choose your answer
500 years
50 000 years
100 000 years
100 000 light years
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 |
Choose your answer