A sealed plastic bottle is filled completely with water and then frozen. Water expands when it freezes. Which row describes the water in the bottle after it has frozen?
The mass stays the same, the volume increases and the density decreases
The mass increases, the volume increases and the density stays the same
The mass stays the same, the volume decreases and the density increases
The mass decreases, the volume increases and the density decreases
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.