A 2 kg block of copper is stored in a physics laboratory. In the chemistry laboratory next door, there is a 2 kg sample of liquid water.
Which of the following quantities must these two samples always have in common?
the same density
the same temperature
the same volume
the same weight
209 exam-style questions on CIE IGCSE Physics Mass and weight, covering Mass and weight. Each one has a worked solution and a mark scheme showing where the marks go.