heat

Misconceptions about misconceptions

December 3, 2009

I’ve got a new podcast posted, this one with my esteemed colleague Valerie Otero of the University of Colorado at Boulder.  She tells us why she thinks that the idea of student “misconceptions” is very dangerous — and gives us a new way to think about student ideas in the classroom, and some activities to […]

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Flame in space

March 1, 2009

A beautiful video of what a flame does in space. This is a good video to use in a classroom physics or chemistry lesson on convection. Convection needs gravity in order to draw flames upward (ie., “heat rises”). Without gravity, there’s nothing to draw the heat and energy of the flame in any particular direction. […]

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