A solid metal cube has a density of 8.9 g/cm3. The cube is cut exactly in half. What is the density of each half?
17.8 g/cm317.8\ \text{g/cm}^317.8 g/cm3 because the volume has halved
4.45 g/cm34.45\ \text{g/cm}^34.45 g/cm3 because the mass has halved
4.45 g/cm34.45\ \text{g/cm}^34.45 g/cm3 because the mass and the volume have halved
8.9 g/cm38.9\ \text{g/cm}^38.9 g/cm3 because the mass and the volume have halved
40 exam-style questions on AQA GCSE Physics 3.1 Changes of state and the particle model, covering 3.1.1 Density of materials and 3.1.2 Changes of state. Each one has a worked solution and a mark scheme showing where the marks go.