Saturday, 11 November 2023

Candle optics


 One of the few advantages to late Autumn and winter time is the dark evenings when it is very easy to carry out Candle Optics. I like seeing the faces of the students seeing the candle upside down and then explaining what has happened.

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Iron Ore Extraction

  Very small-scale extraction of ores. On a wooden spill with iron oxide Fe(III)O and some Sodium Carbonate, and place in a Bunsen Burner. T...