Category: PSLE Primary Science
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PSLE Science Reality Lab Vol No.085 | “Lasts Twice as Long” — Did Both Tests Use the Same End Point?
A Primary 5/6 PSLE Science Reality Lab guide to duration claims. Learn why time-to-failure comparisons need the same observable start and end criteria before “lasts twice as long” becomes meaningful.
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PSLE Science Reality Lab Vol No.084 | “The Slice Got Bigger” — Did the Actual Amount Increase, or Did the Whole Get Smaller?
A Primary 5/6 PSLE Science Reality Lab guide to pie and composition charts. Learn why a larger percentage share can appear even when the actual amount becomes smaller.
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PSLE Science Reality Lab Vol No.083 | “Both Maps Are Red” — Does Red Mean the Same Value on Both Maps?
A Primary 5/6 PSLE Science Reality Lab guide to comparing side-by-side maps and heatmaps. Learn why the same colour can represent different numbers when each panel has its own legend.
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PSLE Science Reality Lab Vol No.082 | “The Total Keeps Rising” — Does That Mean the Process Is Speeding Up?
A Primary 5/6 PSLE Science Reality Lab guide to reading cumulative graphs. Learn why a total can keep rising even while the amount added each interval is falling.
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PSLE Science Reality Lab Vol No.081 | “12 Failures Versus 8” — Were the Same Number of Items Tested?
A Primary 5/6 PSLE Science Reality Lab guide to comparing failure counts from unequal groups. Learn why 12 failures can represent a lower failure proportion than 8 when far more items were tested.
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PSLE Science Reality Lab Vol No.080 | “The Average Passed the Limit” — Does That Mean Every Item Passed?
A Primary 5/6 PSLE Science Reality Lab guide to evaluating claims that a passing batch average means every item passed. Learn to separate group summaries, individual readings, variation and specification rules.
