Monthly Archives: July 2011

In Defense of Dot.Physics

A recent post by Rhett Allain of Dot.Physics fame has drawn a number of negative comments and I wanted to address the concerns that came up. The post is titled Does the Slope of a Pyramid Really Matter?¬† and the … Continue reading

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Photosynthesizing Felines – A Back of the Envelope Calculation

The other day I was out weeding in the garden, amazed at the ability of weeds to take over all the tasty plants. ¬†Just think of all the energy that must go into growing these weeds, just to be heartless … Continue reading

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Breaking Models – Liquids I

We spend quite a bit of time in class building mental models of different things for our students, but one thing we rarely do is break those models. We may tell our students under what circumstances the models are ok, … Continue reading

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Jumping on the SBG-Bandwagon

I’ve been following several physics blogs and heard mention of something called Standards Based Grading. According to the posts I’ve been reading it has magical powers and can transform a classroom of disinterested students into highly motivated self-learners. It lightens … Continue reading

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