A student writes this list in order of increasing distance from the Sun.
Mercury, Earth, Venus, Mars, Jupiter, Uranus, Saturn, Neptune
Which two swaps would put the list in the correct order?
Earth with Venus; Jupiter with Saturn
Mercury with Earth; Uranus with Saturn
Mercury with Earth; Jupiter with Saturn
Earth with Venus; Uranus with Saturn
80 exam-style questions on Edexcel GCSE Physics 7.1 The Solar System and gravity, covering 7.1.1 Weight and g on different bodies in space, 7.1.2 The Solar System, 7.1.3 Changing ideas about the Solar System, 7.1.4 Orbits of moons, planets, comets and satellites, and 7.1.5 Gravity and orbital motion. Each one has a worked solution and a mark scheme showing where the marks go.