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Re: blackboard or whiteboard?



I also like chalk. But I am using whiteboards differently. Students are
divided into groups of 4 and they use small whiteboards to prepare class
presentations. This has many advantages, ideally they talk physics among
themselves before presenting THEIR OWN creations. I do use the blackboard
while lecturing. Please share data on the danger of dry ink colorants.
Ludwik Kowalski

paul o johnson wrote:

Comments from an old curmudgeon:
I think better and faster when writing with white chalk on a black board.
I believe my students learn more from such a presentation.
The age-old mark of a teacher has always been chalk dust on hands and suit.
Black ink on hands and clothes is the mark of a printer. ....