I do not know what Physics is

Keith S. Taber

Adrian was a participant in the Understanding Science Project. I interviewed him near the start of his Advanced Level Physics course, when he was in Y12 (first year sixth form). At that point he had been studying two topics, Images and Waves, and Materials, but he had previously had studied physics classes for his school science ('GCSE') course. I was interested in finding out what Adrian thought the nature of physics as a science was:

Materials … sounds a very different sort of topic to me than Images and Waves.

Yeah.

And they've both been done in Physics?

Yeah.

So if someone said to you 'what's Physics' then, because it doesn't sound like it's the same sort of thing at all really?

No, it does not. Physics, I don't know what Physics is.

[pause 4 seconds]

I suppose it's more looking like… I don't know. Erm

[pause 2 seconds]

If I asked you – Do you know what Geography is, because you're doing Geography…

Yeah.

Could you tell me what Geography was?

Probably, yeah. The study, of the environment and how humans affect the environment.

Okay. We haven't got such a thing for Physics, we can't say…

I wouldn't have thought so because you study all sorts of things in Physics. You study how like… you study like things you can't see and things you can see in Physics, whereas Geography it's all about what you can see, the environment. Whereas in Physics you are thinking about, for example, waves which you can't actually see, but you know they are there.

Does that make it harder than Geography, or is it too early to tell?

More complex than Geography.

So despite having studied physics as a discrete subject in secondary school, and then having elected to study the subject further in post-compulsory education, Adrian seemed to have no clear idea of the nature of physics – at least not at an explicit level that he was able to articulate.

Of course any definition of physics that might be put forward (e.g., the study of matter, and energy, and their interactions) is likely to be trite or not especially illuminating, but we might still expect a student who has chosen to study a subject to have some way of describing what it is about. Perhaps this could be considered a kind of deficiency learning impediment, where the study of specific topics is not being linked back to any kind of overarching framework or core theme for the subject: without which the study of physics is likely to remain the study of discrete topics that cannot be easily linked and integrated together.

Author: Keith

Former school and college science teacher, teacher educator, research supervisor, and research methods lecturer. Emeritus Professor of Science Education at the University of Cambridge.

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