Category: Science

—

by

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.

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?

—

by

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.

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?

—

by

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.

PSLE Science Reality Lab Vol No.090 | “The Graph Flatlines at 100” — Did the Process Stop, or Did the Sensor Run Out of Range?

—

by

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.

PSLE Science Reality Lab Vol No.089 | “Highest Ever” — Ever Since When?

—

by

A Primary 5/6 PSLE Science Reality Lab guide to “highest ever” and record-breaking claims. Learn to find the start and coverage of the measurement record, check gaps and method changes, and keep “highest in this dataset” separate from “highest in all history”.

PSLE Science Reality Lab Vol No.088 | “30% Less Material” — Less Per Pack, or Less for the Same Number of Uses?

—

by