A KS3 SCIENCE-physics random m/c QUIZ on"Energy resources, Electrical circuits, Forces, Solar system, Heating and cooling, Magnets, Light and Sound"based on QCA 7I+7J+7K+7L+8I+8J+8K+8L SoW-PoS'sfor self-assessment and SATs helpor for some basic pre-GCSE-KS4 revision