Exam board AQA has said it is 'deeply sorry' after a GCSE physics paper included a question on a topic that it previously said wouldn't be included. Pupils who sat the higher tier paper 1 on June ...

Learn about states of matter and see what happens when they change with this interactive activity designed for the GCSE AQA physics specification.

But an AQA A-level law and GCSE physics paper included topics not listed in "advance information". Watchdog Ofqual said such mistakes caused "distress" for pupils.