A rock on Earth contains gold, which is an element heavier than iron. What does this suggest about the material that the solar system formed from?
It was produced entirely by fusion in the core of a main sequence star.
It included material thrown out by the explosion of a massive star.
It was produced entirely in the nebula before any stars had formed.
It included material that was pulled in from outside the Milky Way.
41 exam-style questions on AQA GCSE Physics 8.1 Solar system; stability of orbital motions; satellites, covering 8.1.1 Our solar system, 8.1.2 The life cycle of a star, and 8.1.3 Orbital motion, natural and artificial satellites. Each one has a worked solution and a mark scheme showing where the marks go.