Practical route session 2 · Plan a comparable investigation

Target: Plan a comparable investigation. Planning estimate: 35–45 min.

Print / prior evidence

Use the exact Was It a Fair Comparison? print selections and tasks from Paper session 2; collect a matched plan.

Prerequisites: preceding collected evidence or the corresponding standalone kit bridge. The Cool-water investigation operational setup must be fully checked before handling.

Demonstration / learner work / collect

Was It a Fair Comparison? Model→Guided practice→Independent task; emphasize physical conditions in relation to the question.

Next decision / continuation

Complete follow-up on confounds and the recording plan before planning apparatus.

No equipment homework or mandatory student internet access. Use the complete Cool-water investigation fallback for learners who do not handle equipment or when equipment is unsuitable; record that the fallback does not show construction or testing.