• Question: why can't we see air?

    Asked by Caleb to Theresia, Katie, Giovanna, Duane, Andy on 17 Nov 2014.
    • Photo: Theresia Mina

      Theresia Mina answered on 17 Nov 2014:

      Because it has no colour (transparent)?

    • Photo: Duane Mellor

      Duane Mellor answered on 17 Nov 2014:

      I think liquid oxygen is light blue, so it is probably because the molecules are so far appart it has no colour

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