Which statement about the Sun's classification and energy source is correct?
The Sun is a giant star that generates energy by the chemical combustion of hydrogen.
The Sun is a medium-sized star that generates energy by the nuclear fusion of hydrogen into helium.
The Sun is a medium-sized star that generates energy by the nuclear fission of uranium.
The Sun is a dwarf star that generates 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.