A student measures the density of an irregular stone that sinks in water and does not absorb water. Which pair of measurements is needed?
Weight of the stone and volume of water displaced
Mass of the stone and volume of water displaced
Mass of the stone and final volume reading alone
Weight of the stone and final volume reading alone
87 exam-style questions on Edexcel GCSE Physics 14.1 Density and states of matter, covering 14.1.1 Kinetic theory and states of matter, 14.1.2 Density, and 14.1.3 Density and changes of state. Each one has a worked solution and a mark scheme showing where the marks go.