Download past exam papers from the HKEAA (or school-provided tests). While reading the Aristo PDF, note which pages correspond to past paper questions. For example: " 2022 Final Exam, Q12 (Electricity) -> Aristo 1b, p. 87-92 ".
Students and teachers typically seek "Aristo Science 1B PDF" resources for revision and answer checking. Key documents often found include: Aristo Science 1b Pdf
Many free PDFs uploaded to file-sharing sites are from the first edition (circa 2016-2018). Aristo frequently updates its Junior Secondary Science series. Using an old PDF means you might be studying experiments or syllabus points that have been removed or revised. Download past exam papers from the HKEAA (or