Which time period is approximately equal to 1 month?
the time for the Earth to complete one orbit around the Sun
the time for the Earth to complete one rotation on its axis
the time for the Moon to complete one orbit around the Earth
the time for the Moon to complete one orbit around the Sun
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.