Teaching Physics with the Physics Suite
Suppose you have the following collection of objects:
Note to the instructor: Floating and sinking is much more non-intuitive than one might guess at first. The process is, in real-world experience, a quite complex balance between buoyancy, gravity, and surface tension, with battleships that float and wood (some special types) that sink. Students often have problems with the concept of density [Arons 1990]. This kind of activity can help them think about what we know and how we know it.
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Page last modified October 30, 2002: M12