Which statement is explained by reference to pressure?
A copper rod expands in length when heated.
A block of wood floats on water, but a block of iron sinks.
A person wearing snowshoes can walk on soft snow without sinking deeply.
An apple falls to the ground when released from a branch.
188 exam-style questions on CIE IGCSE Physics Pressure, covering Pressure. Each one has a worked solution and a mark scheme showing where the marks go.