Sunday, 29 January 2023

Paraffin block puzzle


 I confused many of the students with the paraffin block puzzle. The bottom is dark, the top light. Turn is round anyway, and the bottom is still dark. It kept the students amused for quite a while whilst they tried to work out what I had done to it.

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Flame Tests

 One of the students' favourite experiments are flame tests and then identifying an unknown material.