Re: [Phys-L] Re: Sizes of atoms (was evidence for non-classical behavior)

[Bernard Cleyet <anngeorg@PACBELL.NET>]

seems to me # 1 is quantitative.  cf. that method to the method to
isolate one bacterium for colony growth. [dilution extinction method]


Would teach stats. too!


bc

John Denker wrote:

> On 07/10/05 14:17, Dan MacIsaac wrote:
>
> > Classic QUALITATIVE activities for elementary science teachers
> > providing supporting evidence of small particle nature of matter
> > include observing:
> >
> > [1] drops of food colouring dissolve in hot and cold water in large
> > beakers or fish tanks
> > [2] opening a bottle of perfume near the door of a large room; have
> > students scatter throughout room and raise hands as they smell the
> > perfume
> > [3] watch sugar cubes and ice cubes dissolve in water (who says watching
> > stuff
cut
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