IGCSE Physics 0625 rewards students who practise past paper questions early, not students who re-read the textbook the week before the exam. The syllabus splits cleanly into General Physics, Thermal Physics, Properties of Waves, Electricity and Magnetism, Atomic Physics, and Space Physics. Treat each of these as its own mini revision project with its own past paper drill, rather than one giant undifferentiated pile of content.
Start with General Physics. This chapter covers motion, mass, density, forces, and energy, and it quietly underpins almost every later topic. If your understanding of speed-time graphs or resultant forces is shaky here, it will resurface as lost marks in Thermal Physics questions about pressure and in Electricity questions about power. Spend your first week here even if it feels like the "easy" chapter.
Thermal Physics and Properties of Waves are where most students lose marks unnecessarily, usually because of loose definitions. Examiners are strict about the difference between "wavelength" and "amplitude", or between "conduction" and "convection" explained in terms of particle behaviour. Write your own one-line definitions in your own words for every bolded term in the syllabus, then check them against the official Cambridge syllabus wording. This single habit fixes a large share of lost definition marks.
Electricity and Magnetism is the most calculation-heavy section, covering circuits, current, potential difference, and electromagnetic effects. Work through circuit diagrams by hand rather than just reading worked solutions. Draw the circuit, label current direction, then calculate. The physical act of drawing catches misunderstandings that passive reading does not.
For the final stretch, Atomic Physics and Space Physics are shorter but easy to under-revise because they feel less central. Do not skip them. They show up reliably in the paper and are often the fastest marks available if you know the core facts (half-life, radioactive decay, the structure of the solar system) cold.
Once you have been through every chapter once, switch entirely to past papers under timed conditions. Use GenZab to generate targeted worksheets on your weakest chapters, or pull real Cambridge past papers directly from the past paper library and mark yourself against the official mark scheme. The goal in the last two weeks is not new content, it is closing the gap between what you know and what you can reliably produce under exam pressure.