Physics teaching is about understanding or content goals about new terms and concepts.
It is also about explaining, usability including avoiding harmful situations and taking care of one's safety in i. E identify ing dangerous, dangerous stepping sports in structures, dangerous load distribution in ships.
The latest, although on syllabus, are not emphsdized.
Few people with k 12 education who how wesring glasses correct myopia, why cables losen in summer and how a fridge is possible.
Instead they believe physics is all about finding orcestimating quantities of physical importance which although is a valid aim, by itself is a limited one.
Failing to shed light on feeding curiosities via explanations such as above or for important phenomena in the world like radioactivity is a sign of teaching failure, in my view.