2 GCSE Physics resources Search within results Go How ratings and recommendations work Apply Filter resourcesClear all filtersLevelClear filter GCSE SubjectClear filter Physics Exam board OCR TopicClear filter Structure of the earth Resources Causes and effects table Grid P1 Stable Earth P & S Waves GCSE, Physics Grid 4.0 / 5 P1 Stable Earth P & S Waves GCSE, Physics Grid Search again