Category: PSLE Primary Science
-
PSLE Science Reality Lab Vol No.520 | “Weather Model Grid Spacing = 1 km” — Is the Forecast Accurate to Within 1 km?
A massive Primary 5/6 PSLE Science Reality Lab guide to weather-model grid spacing: why a 1 km computational mesh is not a guarantee that forecast features are accurate to within 1 km.
-
PSLE Science Reality Lab Vol No.519 | “This Species Map Shows a Point Here” — Was the Organism Observed at That Exact Public Location?
A massive Primary 5/6 PSLE Science Reality Lab guide to obscured biodiversity locations: why a public species-map point may protect the true coordinate and must not be treated as an exact observation site.
-
PSLE Science Reality Lab Vol No.518 | “Satellite Revisit Time = 5 Days” — Will There Be a Usable Image Every Five Days?
A massive Primary 5/6 PSLE Science Reality Lab guide to satellite revisit time: why a five-day revisit describes repeat viewing opportunity, not a guaranteed clear, usable image every five days.
-
PSLE Science Reality Lab Vol No.517 | “Laboratory Control Sample: PASS” — Does That Prove the Real Sample Had No Matrix Interference?
A massive Primary 5/6 PSLE Science Reality Lab guide to laboratory control samples: why an LCS PASS supports batch method performance but does not prove every real sample is free from matrix interference.
-
PSLE Science Reality Lab Vol No.516 | “This LiDAR Intensity Patch Is Bright” — Is the Ground Higher or Naturally Brighter?
A massive Primary 5/6 PSLE Science Reality Lab guide to LiDAR intensity: why a bright grayscale patch represents stronger recorded laser return, not automatically higher ground or ordinary visible brightness.
-
PSLE Science Reality Lab Vol No.515 | “This Seafloor Patch Is Bright on the Sonar Map” — Is It Shallower Water?
A massive Primary 5/6 PSLE Science Reality Lab guide to sonar backscatter: why a bright seafloor patch can mean stronger returned sound rather than shallower water.
