Can you trust
the first impression?
Work through a small water-use investigation together. Calculate, question the claim and explain your conclusion.
Did water use become more efficient?
A school compares two days. Before calculating, discuss what the total use seems to suggest. Then check the amount used per learner.
| Day | Water used (L) | Learners |
|---|---|---|
| Day one | 600 | 60 |
| Day two | 480 | 40 |
Calculate: litres used ÷ number of learners = litres per learner.
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Take the idea further.
Investigate a stronger claim, compare sources and design a fairer test. Keep your first explanation and the evidence that changed it.
Open the research projectDiscuss the next step.
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Try a different skill: making a team decision
Compare competing needs, stay within a budget and explain the trade-off. The decision table is a practice tool for making assumptions visible.
Try the leadership activity