1. Waves and Electromagnetic Spectrum | Properties of visible light, dispersion through a prism, uses of electromagnetic waves in medical imaging and thermal imaging, and applications of infrared radiation. 2. Wave Properties and Calculations | Identification of wave crests, wavelength calculations from ripple tank experiments, determination of wave speed, and factors affecting wave speed in different mediums. 3. Energy and Work Done | Calculation of gravitational potential energy when lifting objects, kinetic energy of moving objects, and the relationship between speed, mass, and energy transfer. 4. Radioactivity and Half-Life | Dangers of ionizing radiation, methods of measuring radiation levels, identification of radioactive particles, half-life calculations, and decay of radioactive isotopes over time. 5. Electricity and Circuits | Resistance calculations, circuit component functions, energy efficiency of electrical devices, and thermal energy loss in appliances like kettles. 6. Forces and Motion | Reaction time calculations for stopping distances, velocity-time graph interpretation, effect of angle on motion down slopes, and experimental methods to measure motion variables.