Category: Science
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PSLE Science Reality Lab Vol No.027 | “Peer Reviewed” — Does That Mean the Result Is Proven Correct?
A massive Primary 5/6 Reality Lab guide to understanding peer review as expert checking before publication—not a permanent guarantee that every scientific claim is correct.
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PSLE Science Reality Lab Vol No.026 | “The Study Was Corrected” — What Changed, and What Still Stands?
A massive Primary 5/6 Reality Lab guide to reading scientific corrections: identify exactly what changed, test whether the conclusion changes, and update confidence without treating every correction as total failure.
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PSLE Science Reality Lab Vol No.025 | “Eco-Friendly” — Which Environmental Result Was Actually Measured?
A Primary 5/6 PSLE Science Reality Lab guide to evaluating broad “eco-friendly” claims: turn the slogan into measurable outcomes, identify the comparison and system boundary, look for trade-offs, and keep conclusions within the evidence.
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PSLE Science Reality Lab Vol No.024 | “50% Recycled Material” — 50% of What?
A Primary 5/6 PSLE Science Reality Lab guide to reading recycled-content percentages: identify the product part, material and denominator, then separate composition evidence from recyclability, durability and wider environmental claims.
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PSLE Science Reality Lab Vol No.023 | “We Tested 100 Samples” — Were They All From the Same Batch?
A Primary 5/6 PSLE Science Reality Lab guide to evaluating large-sample claims: distinguish many measurements from representative coverage, check batches and sources, and limit conclusions to what was actually sampled.
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PSLE Science Reality Lab Vol No.022 | “Look at the Before and After” — Are the Two Pictures Really Comparable?
A Primary 5/6 PSLE Science Reality Lab guide to evaluating before-and-after photographs: check viewpoint, scale, lighting, timing, object identity and measurement conditions before treating a visual difference as scientific evidence of change.
