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Identifying Materials Using Archimedes' Principle.
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Topic: Identifying Materials Using Archimedes' Principle. (Read 45459 times)
John Hill
The Artful Bodger
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Re: Identifying Materials Using Archimedes' Principle.
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Reply #25 on:
February 12, 2015, 01:40:29 AM »
I made a balance once to demonstrate to kids that "air is not nothing" by weighing a balloon before and after inflating it.
(Yes I know, what that really shows is that compressed air is heavier than ambient pressure.)
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Identifying Materials Using Archimedes' Principle.