Category: Science
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PSLE Science Reality Lab Vol No.093 | “No Added Substance Q” — Does That Prove the Final Product Contains None?
A Primary 5/6 PSLE Science Reality Lab guide to “no added” claims: learn to separate a manufacturing-process statement from a measurement claim about what is present in the final product.
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PSLE Science Reality Lab Vol No.093 | “No Added Substance Q” — Does That Prove the Final Product Contains None?
A Primary 5/6 PSLE Science Reality Lab guide to packaging language: learn to distinguish a statement about what was not deliberately added during manufacture from evidence that none is present in the final product.
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PSLE Science Reality Lab Vol No.092 | “Measured to 12.347” — Do Extra Decimal Places Mean the Experiment Measured That Precisely?
A Primary 5/6 PSLE Science Reality Lab guide to false precision: learn why calculator output and extra decimal places can show more digits than the original measurements actually support.
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PSLE Science Reality Lab Vol No.091 | “We Used the Same Test Surface for Both” — Did the First Trial Change the Starting Conditions for the Second?
A Primary 5/6 PSLE Science Reality Lab guide to sequential product demonstrations: learn to check whether the first trial changed the shared surface, specimen or apparatus before the second test began.
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PSLE Science Reality Lab Vol No.091 | “We Used the Same Test Surface for Both” — Did the First Trial Change the Starting Conditions for the Second?
A Primary 5/6 PSLE Science Reality Lab guide to sequential product tests: learn why reusing the same surface or specimen can create carryover and make the second trial start from a different condition.
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PSLE Science Reality Lab Vol No.090 | “The Graph Flatlines at 100” — Did the Process Stop, or Did the Sensor Run Out of Range?
A Primary 5/6 PSLE Science Reality Lab guide to flatline graphs: learn to distinguish a real physical plateau from a sensor, display or software ceiling before deciding that the process stopped changing.