I got an A* in physics GCSE so here are my notes Physics IGCSE revision notes - made for Edexcel but can be used for other boards Includes Electricity Hazards of Electricity Safety Features Electrical Heating and How It Is Used Ohm’s law and Resistance Circuits Different Types of Circuits Measuring Voltage and Current Charge, Voltage & Energy Change P.D. (Potential difference or Voltage) across battery terminals Energy Resources & Energy Transfer Efficiency Energy Transfers Sankey Diagrams Heat Transfer & Heat Convection Conduction Convection Radiation (Thermal) Reducing Energy Transfers - Houses Energy Resources Forces, Movement, Shape and Momentum Momentum & Collisions Magnets & Electromagnetism Electromagnets The Right-Hand Grip Rule The Motor Effect Fleming’s Left Hand Rule The Moving-Coil Loudspeaker The Electric Motor Light Waves Reflection (in a Flat Mirror) The Image in a Mirror Refraction Refractive Index & Snell’s Law Total Internal Reflection Optical fibres Analogue and Digital Signals Sound Waves Properties of Sound Measuring the Speed of Sound