The Earth rotates on its axis once in approximately 24 hours.
What does this astronomical motion enable us to explain?
the periodic variation of the seasons
the orbit of the Moon around the Earth
the cyclic phases of the Moon
the cycle of day and night
40 exam-style questions on CIE IGCSE Physics 6.1.1a Rotation of the Earth, the seasons and the Moon. Each one has a worked solution and a mark scheme showing where the marks go.