A student needs to find the mass of an irregularly shaped piece of granite but does not have physical access to a mass balance.
The student knows the density of granite.
Describe how the student can accurately determine the mass of the granite piece using its density.
In your answer, you should describe the experimental steps and how to ensure the measurements are accurate.
44 exam-style questions on Edexcel IGCSE Physics Density and pressure. Each one has a worked solution and a mark scheme showing where the marks go.