What is the approximate time taken for the Earth to spin once on its axis and the approximate time taken for the Moon to orbit the Earth?
Earth to spin: 24 hours; Moon to orbit: 28 days
Earth to spin: 24 hours; Moon to orbit: 365 days
Earth to spin: 365 days; Moon to orbit: 28 days
Earth to spin: 365 days; Moon to orbit: 365 days
100 exam-style questions on CIE IGCSE Physics 6.1 The Earth and the Solar System, covering 6.1.1a Rotation of the Earth, the seasons and the Moon, 6.1.1b Average orbital speed, 6.1.2a Contents of the Solar System, 6.1.2b Formation of the Solar System, 6.1.2c Gravitational field strength of a planet, and 6.1.2d Orbits and gravitational attraction. Each one has a worked solution and a mark scheme showing where the marks go.