demonstrations

What we see isn’t always what’s happening (OR why demos don’t always work)

January 18, 2011

Consider this quote: “We don’t know what we see; we see what we know.” – Johann Wolfgang von Goethe I’ve often wished I’d gone into cognitive science — it’s just so interesting.  (Sciencegeekgirl factoid: My undergrad degree is in social psychology.)  Instead I earn my daily (gluten-free) bread by teaching physics and can throw only […]

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Interactive lecture demonstrations (Blogging from the AAPT)

July 28, 2009

Today’s session is about using interactive lecture demonstrations to effectively improve your students’ understanding of concepts. As I mentioned in my previous post, while students like demos, they don’t get the things we want them to get unless they predict the results of the experiement or somehow get involved.  David Sokoloff showed how they have […]

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Discrepant events (Blogging from the AAPT)

July 28, 2009

This session is about how using discrepant (or “surprising”) events to teach physics There’s quite a bit of evidence showing that students don’t really get what we want them to get from demonstrations, but they do like them.  They get a lot more out of them if we ask them to predict the results of […]

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