Which statement about the Sun is correct?
The Sun is a giant star that produces energy by the nuclear fission of heavy elements.
The Sun is a medium-sized star that produces energy by the nuclear fusion of hydrogen into helium.
The Sun is a dwarf star that produces energy by the chemical combustion of hydrogen.
The Sun is a medium-sized star that produces energy by the nuclear fusion of helium into carbon.
20 exam-style questions on CIE IGCSE Physics 6.2.1 The Sun as a star. Each one has a worked solution and a mark scheme showing where the marks go.