IB DP Physics skill pack: concluding and evaluating an investigation, SL and HL, first assessment 2025. It covers Criteria 3 and 4 of the internal assessment, 12 of its 24 marks. Nearly every Paper 1B data question ends by asking for the same skills. 34 answered questions over 46 student pages.
The IB guide wants these skills taught inside the topics and investigations that need them. So this pack is not a unit of the course. It is reference and catch-up material for the written half of an investigation, to use beside that teaching.
This pack is worked, not taught. The 405 minutes it takes is student working time, not teaching time. Split it into seven sittings of about an hour. The Teacher Key says where each one ends.
What students learn:
- A conclusion that answers the research question asked
- The overlap test: does the accepted value fall inside the result’s range?
- Comparing with a cited published value, and judging the gap against the result’s uncertainty
- A weakness specific enough to matter, and the improvement that answers it
Seven rule cards, each with an example to work in class. Two worked examples then take one student’s report through its conclusion and its evaluation. Practice A: eight drill tables, 87 answers. Practice B: ten applied items, 41 lettered parts. Practice C: four multiple-choice items and three exam-style questions worth 37 marks.
IB skills (Inquiry 3: Concluding and evaluating, with Inquiry 2). Taught: relating outcomes to the research question or hypothesis; drawing and justifying conclusions from processed data; comparing results with the accepted scientific context; the impact of uncertainties on conclusions; evaluating weaknesses, limitations and assumptions; evaluating hypotheses; explaining realistic improvements. Practised: random and systematic errors; interpreting qualitative and quantitative data; accuracy, precision, reliability and validity.
What’s included:
- Student Worksheet, 46 pages, colour and B&W
- Teacher Key, 66 pages, every item answered with marking guidance
- The editable worksheet, a self-contained HTML file
Worksheet and key come from one source file, so they always agree. The pack is tied to no syllabus topic or understanding, only to the IB skills in the study of physics. For grades 11-12 (ages 16-19).
Part of the IB DP Physics IA and Paper 1B Skills Bundle, 30% off buying the packs separately.
Related resources:
- Measuring the Acceleration of Free Fall, a practical to conclude on (free)
- Designing the Investigation, the IA’s research design
- Uncertainties, the arithmetic behind every verdict here
Updated 30 Oct 2026: please reprint.
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