October 10, 2026 · Featured
iHOSA Chemistry Explanations: Connecting Particle Models to Observable Properties
A focused guide for iHOSA chemistry students on linking microscopic particle models to macroscopic observations, featuring worked examples and diagnostic tools.
Read article →Oct 8, 2026
iHOSA BCE Project Evaluation: Measuring a Change Beyond Attendance Numbers
Learn how to evaluate iHOSA BCE projects with metrics that capture genuine behavior change, not just surface-level participation. Two worked examples and a diagnostic…
Oct 6, 2026
iHOSA Biology Data: Separating a Control Result From an Experimental Effect
A focused guide for iHOSA students on distinguishing baseline control data from experimental effects, using teaching illustrations to prevent common reasoning errors in biology…