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Prepare the experimental contexts and investigative skills assessed through the 4BI1 written papers.
Last updated: 2026-10-03
Planning, measurement, analysis and evaluation notes for practical investigations embedded in Pearson International GCSE Biology.
Pearson Edexcel International GCSE: Biology 4BI1.
Preparing for a 2026 or 2027 entry? Check the current specification and your centre's entry code, units and exam series. The specification's publication year is not your examination year.
These resources follow the named linear International GCSE specification, not a modular course or Cambridge syllabus. Science practical questions are assessed in written exams.
This hub owns Pearson Edexcel International GCSE practical resources for Biology 4BI1, including apparatus, data handling, planning, and evaluation. Theory notes stay in the paired notes hub.
Use the official syllabus linked near the top of this page. Check that Biology 4BI1 and the syllabus edition match your examination entry before using these resources.
Use the paired notes hub linked near the top of this page. Keeping the two routes separate makes it clearer whether you need subject knowledge or experimental skills.
Practical methods and transferable investigation skills kept separate from theory revision.
