Did you know that (at least) one mark in the HSC Chemistry exam comes from using the correct units? If you know your SI units well, then you’re guaranteed a free mark! If only the rest of the exam was that easy! This lesson will cover...

Exam tip: one mark in the HSC Physics exam may come from using the correct units. So, if you write and use SI units in all calculations (a pretty simple task), you’ll get a free mark! If only the rest of the exam was that easy! This...

Exam tip: always show units when performing calculations, because missing units might be penalized by the markscheme! This lesson will continue our crash course on units, focusing on SI prefixes and simple unit...