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Uploaded by grgreenway on Sep 21, 2006
A blob of potassium permanganate shows convection currents in a beaker of water as it is heated.
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Thank you so much! I don't know if you know that this is featured in GCSE physics but it has helped a huge amount! Many thanks :D
thejoejohnson963 2 months ago
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Thank you so much! I don't know if you know that this is featured in GCSE physics but it has helped a huge amount! Many thanks :D
thejoejohnson963 2 months ago