Category StemCo Curious Reads

Gamification in STEM education

EDUCATION Gamification in STEM education 18 NOVEMBER 2021 “Why are we learning about acids and bases?” my student once asked me. “Well,” I said with confidence, “the chemistry of acids and bases underlie many important industrial and commercial applications…” “No,…

Material Spotlight: Nanozymes

CHEMISTRY / SECONDARY JUNIOR Material Spotlight: Nanozymes 20 OCTOBER 2021 Nanozymes are man-made nanomaterials that can catalyse biological reactions and display similarities to biological enzymes. There are generally three types of nanozymes: metal-based nanozymes (e.g. Au, Pt, Co), metal oxides…

Material Spotlight: Nanoporous Metals

CHEMISTRY / SECONDARY JUNIOR Material Spotlight: Nanoporous Metals 13 OCTOBER 2021 Nanoporous metals are metals which contain pores or cavities in the nanometer scale. Their range of interesting properties and potential wide range of applications has led to much research…

Chemistry tutorial: Resonance

Stemco Stem examinations

CHEMISTRY / SECONDARY SENIOR Chemistry tutorial: Resonance 5 OCTOBER 2021 Resonance is a method in valence bond theory (VBT), most commonly used to explain delocalised bonding. In VBT, bonds are assumed to be formed from the overlap of the atomic…