Category: Science
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PSLE Science Reality Lab Vol No.087 | “Absorbs Twice as Much” — Were the Same Amounts of Material Tested?
A Primary 5/6 PSLE Science Reality Lab guide to absorbency claims. Learn why a bigger total can come from testing more material, how to choose a fair comparison basis and how to keep whole-product capacity separate from material performance.
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PSLE Science Reality Lab Vol No.086 | “The Solid Line Becomes Dashed” — Where Did the Measurements End and the Projection Begin?
A Primary 5/6 PSLE Science Reality Lab guide to charts that join observations to projections. Learn to locate the evidence boundary, distinguish measured data from modelled extension, check assumptions and state conclusions at the right scope.
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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.
