16 December 17: School science memories

I loved science at school. I was (and am still) foxed by molarity and most equations in physics but I loved how much colour was involved in it – especially in biology and chemistry. From why you end up with blue eyes or brown to how chlorophyll makes plants green, colour pops up everywhere in science. My favourite lessons were about the periodic table: the coloured compounds of transition metals and the different coloured flames when alkali metals are popped into water (the red of rubidium still sticks in my mind). What do you remember about school science lessons? Any colour memories? Or would you rather forget them?…
Martha, The Colour File x

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