A glass beaker is completely filled to the brim with a liquid. When both the beaker and the liquid are heated, some of the liquid overflows from the beaker. Why does this happen?
The glass beaker contracts while the liquid expands.
The liquid expands, but glass does not expand at all when heated.
The liquid expands more than the glass.
The glass expands more than the liquid.
96 exam-style questions on CIE IGCSE Physics 2.2.1 Thermal expansion of solids, liquids and gases. Each one has a worked solution and a mark scheme showing where the marks go.