A metal block is heated. Its temperature rises but it stays solid.
What happens to the particles in the block?
They move apart and begin to slide past each other
They each get bigger as they gain energy from heating
They vibrate faster about their fixed positions
They vibrate more slowly as energy is stored in them
44 exam-style questions on OCR GCSE Physics 1.2 Changes of state, covering 1.2.1 Conservation of mass during changes of state, 1.2.2 Physical and chemical changes, 1.2.3 Heating, temperature and changes of state, 1.2.4 Specific heat capacity and specific latent heat, 1.2.5 Internal energy and temperature change, and 1.2.6 Energy transfer during a change of state. Each one has a worked solution and a mark scheme showing where the marks go.