4 GCSE resources Search within results Go How ratings and recommendations work Apply Filter resourcesClear all filtersLevelClear filter GCSE Subject Physics Exam board All boards OCR TopicClear filter Changes of State Resources Flashcards Mindmap Multi-tool Revision Cards P1.2 Changes of State GCSE, Physics Mindmap 5.0 / 5 P1-Changes of state GCSE, Physics 23 flashcards 4.0 / 5 Physics GCSE, Physics 7 revision cards P1-Changes of state GCSE, Physics 5 flashcards Search again