A student determines the density of a metal bolt. The student uses a measuring cylinder partly filled with water to find the volume of the bolt by displacement.
Which other apparatus does the student need to calculate the density of the metal bolt?
a balance
a thermometer
a metre rule
a stop-watch
169 exam-style questions on CIE IGCSE Physics Density, covering Density. Each one has a worked solution and a mark scheme showing where the marks go.